18900000018

素因数分解:

$2^1\times 3^2\times {\mathrm{457}}^1\times {\mathrm{2297593}}^1$

素因数の和:2298058

約数の個数: 24

約数和(自身を含む): 41039624028

約数和(自身を除く): 22139624010

約数列:

[1, 2, 3, 6, 9, 18, 457, 914, 1371, 2742, 4113, 8226, 2297593, 4595186, 6892779, 13785558, 20678337, 41356674, 1050000001, 2100000002, 3150000003, 6300000006, 9450000009, 18900000018]

約数ペア:

[(1, 18900000018), (2, 9450000009), (3, 6300000006), (6, 3150000003), (9, 2100000002), (18, 1050000001), (457, 41356674), (914, 20678337), (1371, 13785558), (2742, 6892779), (4113, 4595186), (8226, 2297593)]