18188858

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 29529360

約数和(自身を除く): 11340502

約数列:

[1, 2, 29, 53, 58, 61, 97, 106, 122, 194, 1537, 1769, 2813, 3074, 3233, 3538, 5141, 5626, 5917, 6466, 10282, 11834, 93757, 149089, 171593, 187514, 298178, 313601, 343186, 627202, 9094429, 18188858]

約数ペア:

[(1, 18188858), (2, 9094429), (29, 627202), (53, 343186), (58, 313601), (61, 298178), (97, 187514), (106, 171593), (122, 149089), (194, 93757), (1537, 11834), (1769, 10282), (2813, 6466), (3074, 5917), (3233, 5626), (3538, 5141)]