18656222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 31600800

約数和(自身を除く): 12944578

約数列:

[1, 2, 13, 26, 29, 58, 109, 218, 227, 377, 454, 754, 1417, 2834, 2951, 3161, 5902, 6322, 6583, 13166, 24743, 41093, 49486, 82186, 85579, 171158, 321659, 643318, 717547, 1435094, 9328111, 18656222]

約数ペア:

[(1, 18656222), (2, 9328111), (13, 1435094), (26, 717547), (29, 643318), (58, 321659), (109, 171158), (218, 85579), (227, 82186), (377, 49486), (454, 41093), (754, 24743), (1417, 13166), (2834, 6583), (2951, 6322), (3161, 5902)]