31871818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{13291}}^1$

素因数の和:13413

約数の個数: 16

約数和(自身を含む): 52636320

約数和(自身を除く): 20764502

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 13291, 26582, 146201, 292402, 1448719, 2897438, 15935909, 31871818]

約数ペア:

[(1, 31871818), (2, 15935909), (11, 2897438), (22, 1448719), (109, 292402), (218, 146201), (1199, 26582), (2398, 13291)]