18743879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1063}}^1$

素因数の和:1310

約数の個数: 16

約数和(自身を含む): 23493120

約数和(自身を除く): 4749241

約数列:

[1, 7, 11, 77, 229, 1063, 1603, 2519, 7441, 11693, 17633, 81851, 243427, 1703989, 2677697, 18743879]

約数ペア:

[(1, 18743879), (7, 2677697), (11, 1703989), (77, 243427), (229, 81851), (1063, 17633), (1603, 11693), (2519, 7441)]