18820594

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 31878000

約数和(自身を除く): 13057406

約数列:

[1, 2, 13, 26, 29, 58, 109, 218, 229, 377, 458, 754, 1417, 2834, 2977, 3161, 5954, 6322, 6641, 13282, 24961, 41093, 49922, 82186, 86333, 172666, 324493, 648986, 723869, 1447738, 9410297, 18820594]

約数ペア:

[(1, 18820594), (2, 9410297), (13, 1447738), (26, 723869), (29, 648986), (58, 324493), (109, 172666), (218, 86333), (229, 82186), (377, 49922), (458, 41093), (754, 24961), (1417, 13282), (2834, 6641), (2977, 6322), (3161, 5954)]