19662240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 192

約数和(自身を含む): 70108416

約数和(自身を除く): 50446176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 96, 104, 115, 120, 130, 137, 138, 156, 160, 184, 195, 208, 230, 240, 260, 274, 276, 299, 312, 345, 368, 390, 411, 416, 460, 480, 520, 548, 552, 598, 624, 685, 690, 736, 780, 822, 897, 920, 1040, 1096, 1104, 1196, 1248, 1370, 1380, 1495, 1560, 1644, 1781, 1794, 1840, 2055, 2080, 2192, 2208, 2392, 2740, 2760, 2990, 3120, 3151, 3288, 3562, 3588, 3680, 4110, 4384, 4485, 4784, 5343, 5480, 5520, 5980, 6240, 6302, 6576, 7124, 7176, 8220, 8905, 8970, 9453, 9568, 10686, 10960, 11040, 11960, 12604, 13152, 14248, 14352, 15755, 16440, 17810, 17940, 18906, 21372, 21920, 23920, 25208, 26715, 28496, 28704, 31510, 32880, 35620, 35880, 37812, 40963, 42744, 47265, 47840, 50416, 53430, 56992, 63020, 65760, 71240, 71760, 75624, 81926, 85488, 94530, 100832, 106860, 122889, 126040, 142480, 143520, 151248, 163852, 170976, 189060, 204815, 213720, 245778, 252080, 284960, 302496, 327704, 378120, 409630, 427440, 491556, 504160, 614445, 655408, 756240, 819260, 854880, 983112, 1228890, 1310816, 1512480, 1638520, 1966224, 2457780, 3277040, 3932448, 4915560, 6554080, 9831120, 19662240]

約数ペア:

[(1, 19662240), (2, 9831120), (3, 6554080), (4, 4915560), (5, 3932448), (6, 3277040), (8, 2457780), (10, 1966224), (12, 1638520), (13, 1512480), (15, 1310816), (16, 1228890), (20, 983112), (23, 854880), (24, 819260), (26, 756240), (30, 655408), (32, 614445), (39, 504160), (40, 491556), (46, 427440), (48, 409630), (52, 378120), (60, 327704), (65, 302496), (69, 284960), (78, 252080), (80, 245778), (92, 213720), (96, 204815), (104, 189060), (115, 170976), (120, 163852), (130, 151248), (137, 143520), (138, 142480), (156, 126040), (160, 122889), (184, 106860), (195, 100832), (208, 94530), (230, 85488), (240, 81926), (260, 75624), (274, 71760), (276, 71240), (299, 65760), (312, 63020), (345, 56992), (368, 53430), (390, 50416), (411, 47840), (416, 47265), (460, 42744), (480, 40963), (520, 37812), (548, 35880), (552, 35620), (598, 32880), (624, 31510), (685, 28704), (690, 28496), (736, 26715), (780, 25208), (822, 23920), (897, 21920), (920, 21372), (1040, 18906), (1096, 17940), (1104, 17810), (1196, 16440), (1248, 15755), (1370, 14352), (1380, 14248), (1495, 13152), (1560, 12604), (1644, 11960), (1781, 11040), (1794, 10960), (1840, 10686), (2055, 9568), (2080, 9453), (2192, 8970), (2208, 8905), (2392, 8220), (2740, 7176), (2760, 7124), (2990, 6576), (3120, 6302), (3151, 6240), (3288, 5980), (3562, 5520), (3588, 5480), (3680, 5343), (4110, 4784), (4384, 4485)]