18124840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6763}}^1$

素因数の和:6841

約数の個数: 32

約数和(自身を含む): 41395680

約数和(自身を除く): 23270840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 6763, 13526, 27052, 33815, 54104, 67630, 135260, 270520, 453121, 906242, 1812484, 2265605, 3624968, 4531210, 9062420, 18124840]

約数ペア:

[(1, 18124840), (2, 9062420), (4, 4531210), (5, 3624968), (8, 2265605), (10, 1812484), (20, 906242), (40, 453121), (67, 270520), (134, 135260), (268, 67630), (335, 54104), (536, 33815), (670, 27052), (1340, 13526), (2680, 6763)]