19180962

素因数分解:

$2^1\times 3^5\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 43872192

約数和(自身を除く): 24691230

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 243, 366, 486, 549, 647, 1098, 1294, 1647, 1941, 3294, 3882, 4941, 5823, 9882, 11646, 14823, 17469, 29646, 34938, 39467, 52407, 78934, 104814, 118401, 157221, 236802, 314442, 355203, 710406, 1065609, 2131218, 3196827, 6393654, 9590481, 19180962]

約数ペア:

[(1, 19180962), (2, 9590481), (3, 6393654), (6, 3196827), (9, 2131218), (18, 1065609), (27, 710406), (54, 355203), (61, 314442), (81, 236802), (122, 157221), (162, 118401), (183, 104814), (243, 78934), (366, 52407), (486, 39467), (549, 34938), (647, 29646), (1098, 17469), (1294, 14823), (1647, 11646), (1941, 9882), (3294, 5823), (3882, 4941)]