18712380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8429}}^1$

素因数の和:8478

約数の個数: 48

約数和(自身を含む): 53817120

約数和(自身を除く): 35104740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8429, 16858, 25287, 33716, 42145, 50574, 84290, 101148, 126435, 168580, 252870, 311873, 505740, 623746, 935619, 1247492, 1559365, 1871238, 3118730, 3742476, 4678095, 6237460, 9356190, 18712380]

約数ペア:

[(1, 18712380), (2, 9356190), (3, 6237460), (4, 4678095), (5, 3742476), (6, 3118730), (10, 1871238), (12, 1559365), (15, 1247492), (20, 935619), (30, 623746), (37, 505740), (60, 311873), (74, 252870), (111, 168580), (148, 126435), (185, 101148), (222, 84290), (370, 50574), (444, 42145), (555, 33716), (740, 25287), (1110, 16858), (2220, 8429)]