18647630

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 34884000

約数和(自身を除く): 16236370

約数列:

[1, 2, 5, 10, 37, 74, 101, 185, 202, 370, 499, 505, 998, 1010, 2495, 3737, 4990, 7474, 18463, 18685, 36926, 37370, 50399, 92315, 100798, 184630, 251995, 503990, 1864763, 3729526, 9323815, 18647630]

約数ペア:

[(1, 18647630), (2, 9323815), (5, 3729526), (10, 1864763), (37, 503990), (74, 251995), (101, 184630), (185, 100798), (202, 92315), (370, 50399), (499, 37370), (505, 36926), (998, 18685), (1010, 18463), (2495, 7474), (3737, 4990)]