18191642

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 33919560

約数和(自身を除く): 15727918

約数列:

[1, 2, 7, 14, 29, 37, 49, 58, 74, 98, 173, 203, 259, 346, 406, 518, 1073, 1211, 1421, 1813, 2146, 2422, 2842, 3626, 5017, 6401, 7511, 8477, 10034, 12802, 15022, 16954, 35119, 44807, 52577, 70238, 89614, 105154, 185629, 245833, 313649, 371258, 491666, 627298, 1299403, 2598806, 9095821, 18191642]

約数ペア:

[(1, 18191642), (2, 9095821), (7, 2598806), (14, 1299403), (29, 627298), (37, 491666), (49, 371258), (58, 313649), (74, 245833), (98, 185629), (173, 105154), (203, 89614), (259, 70238), (346, 52577), (406, 44807), (518, 35119), (1073, 16954), (1211, 15022), (1421, 12802), (1813, 10034), (2146, 8477), (2422, 7511), (2842, 6401), (3626, 5017)]