18161468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4421}}^1$

素因数の和:4517

約数の個数: 24

約数和(自身を含む): 34668480

約数和(自身を除く): 16507012

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4421, 8842, 17684, 57473, 114946, 229892, 349259, 698518, 1397036, 4540367, 9080734, 18161468]

約数ペア:

[(1, 18161468), (2, 9080734), (4, 4540367), (13, 1397036), (26, 698518), (52, 349259), (79, 229892), (158, 114946), (316, 57473), (1027, 17684), (2054, 8842), (4108, 4421)]