18833238

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 42728400

約数和(自身を除く): 23895162

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 109, 174, 218, 261, 327, 331, 522, 654, 662, 981, 993, 1962, 1986, 2979, 3161, 5958, 6322, 9483, 9599, 18966, 19198, 28449, 28797, 36079, 56898, 57594, 72158, 86391, 108237, 172782, 216474, 324711, 649422, 1046291, 2092582, 3138873, 6277746, 9416619, 18833238]

約数ペア:

[(1, 18833238), (2, 9416619), (3, 6277746), (6, 3138873), (9, 2092582), (18, 1046291), (29, 649422), (58, 324711), (87, 216474), (109, 172782), (174, 108237), (218, 86391), (261, 72158), (327, 57594), (331, 56898), (522, 36079), (654, 28797), (662, 28449), (981, 19198), (993, 18966), (1962, 9599), (1986, 9483), (2979, 6322), (3161, 5958)]