18780806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{29437}}^1$

素因数の和:29479

約数の個数: 16

約数和(自身を含む): 31793040

約数和(自身を除く): 13012234

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 29437, 58874, 323807, 647614, 853673, 1707346, 9390403, 18780806]

約数ペア:

[(1, 18780806), (2, 9390403), (11, 1707346), (22, 853673), (29, 647614), (58, 323807), (319, 58874), (638, 29437)]