38951890

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{11161}}^1$

素因数の和:11517

約数の個数: 16

約数和(自身を含む): 70320600

約数和(自身を除く): 31368710

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 11161, 22322, 55805, 111610, 3895189, 7790378, 19475945, 38951890]

約数ペア:

[(1, 38951890), (2, 19475945), (5, 7790378), (10, 3895189), (349, 111610), (698, 55805), (1745, 22322), (3490, 11161)]