19545210760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{46889}}^1$

素因数の和:47530

約数の個数: 64

約数和(自身を含む): 46640545200

約数和(自身を除く): 27095334440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 613, 680, 1226, 2452, 3065, 4904, 6130, 10421, 12260, 20842, 24520, 41684, 46889, 52105, 83368, 93778, 104210, 187556, 208420, 234445, 375112, 416840, 468890, 797113, 937780, 1594226, 1875560, 3188452, 3985565, 6376904, 7971130, 15942260, 28742957, 31884520, 57485914, 114971828, 143714785, 229943656, 287429570, 488630269, 574859140, 977260538, 1149718280, 1954521076, 2443151345, 3909042152, 4886302690, 9772605380, 19545210760]

約数ペア:

[(1, 19545210760), (2, 9772605380), (4, 4886302690), (5, 3909042152), (8, 2443151345), (10, 1954521076), (17, 1149718280), (20, 977260538), (34, 574859140), (40, 488630269), (68, 287429570), (85, 229943656), (136, 143714785), (170, 114971828), (340, 57485914), (613, 31884520), (680, 28742957), (1226, 15942260), (2452, 7971130), (3065, 6376904), (4904, 3985565), (6130, 3188452), (10421, 1875560), (12260, 1594226), (20842, 937780), (24520, 797113), (41684, 468890), (46889, 416840), (52105, 375112), (83368, 234445), (93778, 208420), (104210, 187556)]