17998747

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 19994688

約数和(自身を除く): 1995941

約数列:

[1, 13, 53, 151, 173, 689, 1963, 2249, 8003, 9169, 26123, 104039, 119197, 339599, 1384519, 17998747]

約数ペア:

[(1, 17998747), (13, 1384519), (53, 339599), (151, 119197), (173, 104039), (689, 26123), (1963, 9169), (2249, 8003)]