19802085

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{69481}}^1$

素因数の和:69508

約数の個数: 16

約数和(自身を含む): 33351360

約数和(自身を除く): 13549275

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 69481, 208443, 347405, 1042215, 1320139, 3960417, 6600695, 19802085]

約数ペア:

[(1, 19802085), (3, 6600695), (5, 3960417), (15, 1320139), (19, 1042215), (57, 347405), (95, 208443), (285, 69481)]