18420806061

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{113287}}^1$

素因数の和:113418

約数の個数: 48

約数和(自身を含む): 31811270400

約数和(自身を除く): 13390464339

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 89, 203, 261, 267, 609, 623, 801, 1827, 1869, 2581, 5607, 7743, 18067, 23229, 54201, 113287, 162603, 339861, 793009, 1019583, 2379027, 3285323, 7137081, 9855969, 10082543, 22997261, 29567907, 30247629, 68991783, 70577801, 90742887, 206975349, 211733403, 292393747, 635200209, 877181241, 2046756229, 2631543723, 6140268687, 18420806061]

約数ペア:

[(1, 18420806061), (3, 6140268687), (7, 2631543723), (9, 2046756229), (21, 877181241), (29, 635200209), (63, 292393747), (87, 211733403), (89, 206975349), (203, 90742887), (261, 70577801), (267, 68991783), (609, 30247629), (623, 29567907), (801, 22997261), (1827, 10082543), (1869, 9855969), (2581, 7137081), (5607, 3285323), (7743, 2379027), (18067, 1019583), (23229, 793009), (54201, 339861), (113287, 162603)]