19884974

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{1163}}^1$

素因数の和:1351

約数の個数: 16

約数和(自身を含む): 30506112

約数和(自身を除く): 10621138

約数列:

[1, 2, 83, 103, 166, 206, 1163, 2326, 8549, 17098, 96529, 119789, 193058, 239578, 9942487, 19884974]

約数ペア:

[(1, 19884974), (2, 9942487), (83, 239578), (103, 193058), (166, 119789), (206, 96529), (1163, 17098), (2326, 8549)]