18053511

素因数分解:

$3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 28191744

約数和(自身を除く): 10138233

約数列:

[1, 3, 7, 21, 49, 147, 191, 573, 643, 1337, 1929, 4011, 4501, 9359, 13503, 28077, 31507, 94521, 122813, 368439, 859691, 2579073, 6017837, 18053511]

約数ペア:

[(1, 18053511), (3, 6017837), (7, 2579073), (21, 859691), (49, 368439), (147, 122813), (191, 94521), (573, 31507), (643, 28077), (1337, 13503), (1929, 9359), (4011, 4501)]