19849920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 224

約数和(自身を含む): 70225920

約数和(自身を除く): 50376000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 29, 30, 31, 32, 40, 46, 48, 58, 60, 62, 64, 69, 80, 87, 92, 93, 96, 115, 116, 120, 124, 138, 145, 155, 160, 174, 184, 186, 192, 230, 232, 240, 248, 276, 290, 310, 320, 345, 348, 368, 372, 435, 460, 464, 465, 480, 496, 552, 580, 620, 667, 690, 696, 713, 736, 744, 870, 899, 920, 928, 930, 960, 992, 1104, 1160, 1240, 1334, 1380, 1392, 1426, 1472, 1488, 1740, 1798, 1840, 1856, 1860, 1984, 2001, 2139, 2208, 2320, 2480, 2668, 2697, 2760, 2784, 2852, 2976, 3335, 3480, 3565, 3596, 3680, 3720, 4002, 4278, 4416, 4495, 4640, 4960, 5336, 5394, 5520, 5568, 5704, 5952, 6670, 6960, 7130, 7192, 7360, 7440, 8004, 8556, 8990, 9280, 9920, 10005, 10672, 10695, 10788, 11040, 11408, 13340, 13485, 13920, 14260, 14384, 14880, 16008, 17112, 17980, 20010, 20677, 21344, 21390, 21576, 22080, 22816, 26680, 26970, 27840, 28520, 28768, 29760, 32016, 34224, 35960, 40020, 41354, 42688, 42780, 43152, 45632, 53360, 53940, 57040, 57536, 62031, 64032, 68448, 71920, 80040, 82708, 85560, 86304, 103385, 106720, 107880, 114080, 124062, 128064, 136896, 143840, 160080, 165416, 171120, 172608, 206770, 213440, 215760, 228160, 248124, 287680, 310155, 320160, 330832, 342240, 413540, 431520, 496248, 620310, 640320, 661664, 684480, 827080, 863040, 992496, 1240620, 1323328, 1654160, 1984992, 2481240, 3308320, 3969984, 4962480, 6616640, 9924960, 19849920]

約数ペア:

[(1, 19849920), (2, 9924960), (3, 6616640), (4, 4962480), (5, 3969984), (6, 3308320), (8, 2481240), (10, 1984992), (12, 1654160), (15, 1323328), (16, 1240620), (20, 992496), (23, 863040), (24, 827080), (29, 684480), (30, 661664), (31, 640320), (32, 620310), (40, 496248), (46, 431520), (48, 413540), (58, 342240), (60, 330832), (62, 320160), (64, 310155), (69, 287680), (80, 248124), (87, 228160), (92, 215760), (93, 213440), (96, 206770), (115, 172608), (116, 171120), (120, 165416), (124, 160080), (138, 143840), (145, 136896), (155, 128064), (160, 124062), (174, 114080), (184, 107880), (186, 106720), (192, 103385), (230, 86304), (232, 85560), (240, 82708), (248, 80040), (276, 71920), (290, 68448), (310, 64032), (320, 62031), (345, 57536), (348, 57040), (368, 53940), (372, 53360), (435, 45632), (460, 43152), (464, 42780), (465, 42688), (480, 41354), (496, 40020), (552, 35960), (580, 34224), (620, 32016), (667, 29760), (690, 28768), (696, 28520), (713, 27840), (736, 26970), (744, 26680), (870, 22816), (899, 22080), (920, 21576), (928, 21390), (930, 21344), (960, 20677), (992, 20010), (1104, 17980), (1160, 17112), (1240, 16008), (1334, 14880), (1380, 14384), (1392, 14260), (1426, 13920), (1472, 13485), (1488, 13340), (1740, 11408), (1798, 11040), (1840, 10788), (1856, 10695), (1860, 10672), (1984, 10005), (2001, 9920), (2139, 9280), (2208, 8990), (2320, 8556), (2480, 8004), (2668, 7440), (2697, 7360), (2760, 7192), (2784, 7130), (2852, 6960), (2976, 6670), (3335, 5952), (3480, 5704), (3565, 5568), (3596, 5520), (3680, 5394), (3720, 5336), (4002, 4960), (4278, 4640), (4416, 4495)]