18232960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:969

約数の個数: 64

約数和(自身を含む): 45043200

約数和(自身を除く): 26810240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 919, 992, 1240, 1838, 1984, 2480, 3676, 3968, 4595, 4960, 7352, 9190, 9920, 14704, 18380, 19840, 28489, 29408, 36760, 56978, 58816, 73520, 113956, 117632, 142445, 147040, 227912, 284890, 294080, 455824, 569780, 588160, 911648, 1139560, 1823296, 2279120, 3646592, 4558240, 9116480, 18232960]

約数ペア:

[(1, 18232960), (2, 9116480), (4, 4558240), (5, 3646592), (8, 2279120), (10, 1823296), (16, 1139560), (20, 911648), (31, 588160), (32, 569780), (40, 455824), (62, 294080), (64, 284890), (80, 227912), (124, 147040), (128, 142445), (155, 117632), (160, 113956), (248, 73520), (310, 58816), (320, 56978), (496, 36760), (620, 29408), (640, 28489), (919, 19840), (992, 18380), (1240, 14704), (1838, 9920), (1984, 9190), (2480, 7352), (3676, 4960), (3968, 4595)]