20181891294

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{354703}}^1$

素因数の和:354849

約数の個数: 48

約数和(自身を含む): 45650404800

約数和(自身を除く): 25468513506

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 109, 174, 218, 261, 327, 522, 654, 981, 1962, 3161, 6322, 9483, 18966, 28449, 56898, 354703, 709406, 1064109, 2128218, 3192327, 6384654, 10286387, 20572774, 30859161, 38662627, 61718322, 77325254, 92577483, 115987881, 185154966, 231975762, 347963643, 695927286, 1121216183, 2242432366, 3363648549, 6727297098, 10090945647, 20181891294]

約数ペア:

[(1, 20181891294), (2, 10090945647), (3, 6727297098), (6, 3363648549), (9, 2242432366), (18, 1121216183), (29, 695927286), (58, 347963643), (87, 231975762), (109, 185154966), (174, 115987881), (218, 92577483), (261, 77325254), (327, 61718322), (522, 38662627), (654, 30859161), (981, 20572774), (1962, 10286387), (3161, 6384654), (6322, 3192327), (9483, 2128218), (18966, 1064109), (28449, 709406), (56898, 354703)]