19562240

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 52980480

約数和(自身を除く): 33418240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 31, 32, 34, 40, 58, 62, 64, 68, 80, 85, 116, 124, 128, 136, 145, 155, 160, 170, 232, 248, 256, 272, 290, 310, 320, 340, 464, 493, 496, 527, 544, 580, 620, 640, 680, 899, 928, 986, 992, 1054, 1088, 1160, 1240, 1280, 1360, 1798, 1856, 1972, 1984, 2108, 2176, 2320, 2465, 2480, 2635, 2720, 3596, 3712, 3944, 3968, 4216, 4352, 4495, 4640, 4930, 4960, 5270, 5440, 7192, 7424, 7888, 7936, 8432, 8990, 9280, 9860, 9920, 10540, 10880, 14384, 15283, 15776, 16864, 17980, 18560, 19720, 19840, 21080, 21760, 28768, 30566, 31552, 33728, 35960, 37120, 39440, 39680, 42160, 57536, 61132, 63104, 67456, 71920, 76415, 78880, 84320, 115072, 122264, 126208, 134912, 143840, 152830, 157760, 168640, 230144, 244528, 287680, 305660, 315520, 337280, 489056, 575360, 611320, 631040, 674560, 978112, 1150720, 1222640, 1956224, 2445280, 3912448, 4890560, 9781120, 19562240]

約数ペア:

[(1, 19562240), (2, 9781120), (4, 4890560), (5, 3912448), (8, 2445280), (10, 1956224), (16, 1222640), (17, 1150720), (20, 978112), (29, 674560), (31, 631040), (32, 611320), (34, 575360), (40, 489056), (58, 337280), (62, 315520), (64, 305660), (68, 287680), (80, 244528), (85, 230144), (116, 168640), (124, 157760), (128, 152830), (136, 143840), (145, 134912), (155, 126208), (160, 122264), (170, 115072), (232, 84320), (248, 78880), (256, 76415), (272, 71920), (290, 67456), (310, 63104), (320, 61132), (340, 57536), (464, 42160), (493, 39680), (496, 39440), (527, 37120), (544, 35960), (580, 33728), (620, 31552), (640, 30566), (680, 28768), (899, 21760), (928, 21080), (986, 19840), (992, 19720), (1054, 18560), (1088, 17980), (1160, 16864), (1240, 15776), (1280, 15283), (1360, 14384), (1798, 10880), (1856, 10540), (1972, 9920), (1984, 9860), (2108, 9280), (2176, 8990), (2320, 8432), (2465, 7936), (2480, 7888), (2635, 7424), (2720, 7192), (3596, 5440), (3712, 5270), (3944, 4960), (3968, 4930), (4216, 4640), (4352, 4495)]