18747934

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:735

約数の個数: 16

約数和(自身を含む): 28575360

約数和(自身を除く): 9827426

約数列:

[1, 2, 131, 163, 262, 326, 439, 878, 21353, 42706, 57509, 71557, 115018, 143114, 9373967, 18747934]

約数ペア:

[(1, 18747934), (2, 9373967), (131, 143114), (163, 115018), (262, 71557), (326, 57509), (439, 42706), (878, 21353)]