18480760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12487}}^1$

素因数の和:12535

約数の個数: 32

約数和(自身を含む): 42708960

約数和(自身を除く): 24228200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12487, 24974, 49948, 62435, 99896, 124870, 249740, 462019, 499480, 924038, 1848076, 2310095, 3696152, 4620190, 9240380, 18480760]

約数ペア:

[(1, 18480760), (2, 9240380), (4, 4620190), (5, 3696152), (8, 2310095), (10, 1848076), (20, 924038), (37, 499480), (40, 462019), (74, 249740), (148, 124870), (185, 99896), (296, 62435), (370, 49948), (740, 24974), (1480, 12487)]