18818730

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3319}}^1$

素因数の和:3345

約数の個数: 80

約数和(自身を含む): 57847680

約数和(自身を除く): 39028950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3319, 5670, 6638, 9957, 16595, 19914, 23233, 29871, 33190, 46466, 49785, 59742, 69699, 89613, 99570, 116165, 139398, 149355, 179226, 209097, 232330, 268839, 298710, 348495, 418194, 448065, 537678, 627291, 696990, 896130, 1045485, 1254582, 1344195, 1881873, 2090970, 2688390, 3136455, 3763746, 6272910, 9409365, 18818730]

約数ペア:

[(1, 18818730), (2, 9409365), (3, 6272910), (5, 3763746), (6, 3136455), (7, 2688390), (9, 2090970), (10, 1881873), (14, 1344195), (15, 1254582), (18, 1045485), (21, 896130), (27, 696990), (30, 627291), (35, 537678), (42, 448065), (45, 418194), (54, 348495), (63, 298710), (70, 268839), (81, 232330), (90, 209097), (105, 179226), (126, 149355), (135, 139398), (162, 116165), (189, 99570), (210, 89613), (270, 69699), (315, 59742), (378, 49785), (405, 46466), (567, 33190), (630, 29871), (810, 23233), (945, 19914), (1134, 16595), (1890, 9957), (2835, 6638), (3319, 5670)]