18668484

素因数分解:

$2^2\times 3^2\times {\mathrm{641}}^1\times {\mathrm{809}}^1$

素因数の和:1460

約数の個数: 36

約数和(自身を含む): 47321820

約数和(自身を除く): 28653336

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 641, 809, 1282, 1618, 1923, 2427, 2564, 3236, 3846, 4854, 5769, 7281, 7692, 9708, 11538, 14562, 23076, 29124, 518569, 1037138, 1555707, 2074276, 3111414, 4667121, 6222828, 9334242, 18668484]

約数ペア:

[(1, 18668484), (2, 9334242), (3, 6222828), (4, 4667121), (6, 3111414), (9, 2074276), (12, 1555707), (18, 1037138), (36, 518569), (641, 29124), (809, 23076), (1282, 14562), (1618, 11538), (1923, 9708), (2427, 7692), (2564, 7281), (3236, 5769), (3846, 4854)]