18414560

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 44144352

約数和(自身を除く): 25729792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1621, 2272, 2840, 3242, 5680, 6484, 8105, 11360, 12968, 16210, 25936, 32420, 51872, 64840, 115091, 129680, 230182, 259360, 460364, 575455, 920728, 1150910, 1841456, 2301820, 3682912, 4603640, 9207280, 18414560]

約数ペア:

[(1, 18414560), (2, 9207280), (4, 4603640), (5, 3682912), (8, 2301820), (10, 1841456), (16, 1150910), (20, 920728), (32, 575455), (40, 460364), (71, 259360), (80, 230182), (142, 129680), (160, 115091), (284, 64840), (355, 51872), (568, 32420), (710, 25936), (1136, 16210), (1420, 12968), (1621, 11360), (2272, 8105), (2840, 6484), (3242, 5680)]