18407984

素因数分解:

$2^4\times 7^1\times {\mathrm{164357}}^1$

素因数の和:164372

約数の個数: 20

約数和(自身を含む): 40760784

約数和(自身を除く): 22352800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 164357, 328714, 657428, 1150499, 1314856, 2300998, 2629712, 4601996, 9203992, 18407984]

約数ペア:

[(1, 18407984), (2, 9203992), (4, 4601996), (7, 2629712), (8, 2300998), (14, 1314856), (16, 1150499), (28, 657428), (56, 328714), (112, 164357)]