18981798

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15137}}^1$

素因数の和:15172

約数の個数: 32

約数和(自身を含む): 43597440

約数和(自身を除く): 24615642

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 15137, 30274, 45411, 90822, 166507, 287603, 333014, 499521, 575206, 862809, 999042, 1725618, 3163633, 6327266, 9490899, 18981798]

約数ペア:

[(1, 18981798), (2, 9490899), (3, 6327266), (6, 3163633), (11, 1725618), (19, 999042), (22, 862809), (33, 575206), (38, 499521), (57, 333014), (66, 287603), (114, 166507), (209, 90822), (418, 45411), (627, 30274), (1254, 15137)]