18521607

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4357}}^1$

素因数の和:4482

約数の個数: 16

約数和(自身を含む): 26845280

約数和(自身を除く): 8323673

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4357, 13071, 56641, 169923, 474913, 1424739, 6173869, 18521607]

約数ペア:

[(1, 18521607), (3, 6173869), (13, 1424739), (39, 474913), (109, 169923), (327, 56641), (1417, 13071), (4251, 4357)]