38181890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{42901}}^1$

素因数の和:42997

約数の個数: 16

約数和(自身を含む): 69501240

約数和(自身を除く): 31319350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 42901, 85802, 214505, 429010, 3818189, 7636378, 19090945, 38181890]

約数ペア:

[(1, 38181890), (2, 19090945), (5, 7636378), (10, 3818189), (89, 429010), (178, 214505), (445, 85802), (890, 42901)]