18905178

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 38617920

約数和(自身を除く): 19712742

約数列:

[1, 2, 3, 6, 109, 137, 211, 218, 274, 327, 411, 422, 633, 654, 822, 1266, 14933, 22999, 28907, 29866, 44799, 45998, 57814, 68997, 86721, 89598, 137994, 173442, 3150863, 6301726, 9452589, 18905178]

約数ペア:

[(1, 18905178), (2, 9452589), (3, 6301726), (6, 3150863), (109, 173442), (137, 137994), (211, 89598), (218, 86721), (274, 68997), (327, 57814), (411, 45998), (422, 44799), (633, 29866), (654, 28907), (822, 22999), (1266, 14933)]