18634749

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 29193120

約数和(自身を除く): 10558371

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 1163, 2289, 3489, 5341, 8141, 16023, 24423, 56987, 126767, 170961, 380301, 887369, 2662107, 6211583, 18634749]

約数ペア:

[(1, 18634749), (3, 6211583), (7, 2662107), (21, 887369), (49, 380301), (109, 170961), (147, 126767), (327, 56987), (763, 24423), (1163, 16023), (2289, 8141), (3489, 5341)]