19934270

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15217}}^1$

素因数の和:15355

約数の個数: 16

約数和(自身を含む): 36157968

約数和(自身を除く): 16223698

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 15217, 30434, 76085, 152170, 1993427, 3986854, 9967135, 19934270]

約数ペア:

[(1, 19934270), (2, 9967135), (5, 3986854), (10, 1993427), (131, 152170), (262, 76085), (655, 30434), (1310, 15217)]