19721530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{116009}}^1$

素因数の和:116033

約数の個数: 16

約数和(自身を含む): 37587240

約数和(自身を除く): 17865710

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 116009, 232018, 580045, 1160090, 1972153, 3944306, 9860765, 19721530]

約数ペア:

[(1, 19721530), (2, 9860765), (5, 3944306), (10, 1972153), (17, 1160090), (34, 580045), (85, 232018), (170, 116009)]