19387742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3511}}^1$

素因数の和:3775

約数の個数: 16

約数和(自身を含む): 31860864

約数和(自身を除く): 12473122

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3511, 5522, 7022, 38621, 77242, 881261, 1762522, 9693871, 19387742]

約数ペア:

[(1, 19387742), (2, 9693871), (11, 1762522), (22, 881261), (251, 77242), (502, 38621), (2761, 7022), (3511, 5522)]