19918560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2441}}^1$

素因数の和:2476

約数の個数: 96

約数和(自身を含む): 66461472

約数和(自身を除く): 46542912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2441, 2720, 4080, 4882, 7323, 8160, 9764, 12205, 14646, 19528, 24410, 29292, 36615, 39056, 41497, 48820, 58584, 73230, 78112, 82994, 97640, 117168, 124491, 146460, 165988, 195280, 207485, 234336, 248982, 292920, 331976, 390560, 414970, 497964, 585840, 622455, 663952, 829940, 995928, 1171680, 1244910, 1327904, 1659880, 1991856, 2489820, 3319760, 3983712, 4979640, 6639520, 9959280, 19918560]

約数ペア:

[(1, 19918560), (2, 9959280), (3, 6639520), (4, 4979640), (5, 3983712), (6, 3319760), (8, 2489820), (10, 1991856), (12, 1659880), (15, 1327904), (16, 1244910), (17, 1171680), (20, 995928), (24, 829940), (30, 663952), (32, 622455), (34, 585840), (40, 497964), (48, 414970), (51, 390560), (60, 331976), (68, 292920), (80, 248982), (85, 234336), (96, 207485), (102, 195280), (120, 165988), (136, 146460), (160, 124491), (170, 117168), (204, 97640), (240, 82994), (255, 78112), (272, 73230), (340, 58584), (408, 48820), (480, 41497), (510, 39056), (544, 36615), (680, 29292), (816, 24410), (1020, 19528), (1360, 14646), (1632, 12205), (2040, 9764), (2441, 8160), (2720, 7323), (4080, 4882)]