18094840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 44388000

約数和(自身を除く): 26293160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 821, 1102, 1160, 1642, 2204, 2755, 3284, 4105, 4408, 5510, 6568, 8210, 11020, 15599, 16420, 22040, 23809, 31198, 32840, 47618, 62396, 77995, 95236, 119045, 124792, 155990, 190472, 238090, 311980, 452371, 476180, 623960, 904742, 952360, 1809484, 2261855, 3618968, 4523710, 9047420, 18094840]

約数ペア:

[(1, 18094840), (2, 9047420), (4, 4523710), (5, 3618968), (8, 2261855), (10, 1809484), (19, 952360), (20, 904742), (29, 623960), (38, 476180), (40, 452371), (58, 311980), (76, 238090), (95, 190472), (116, 155990), (145, 124792), (152, 119045), (190, 95236), (232, 77995), (290, 62396), (380, 47618), (551, 32840), (580, 31198), (760, 23809), (821, 22040), (1102, 16420), (1160, 15599), (1642, 11020), (2204, 8210), (2755, 6568), (3284, 5510), (4105, 4408)]