19938378

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{144481}}^1$

素因数の和:144509

約数の個数: 16

約数和(自身を含む): 41610816

約数和(自身を除く): 21672438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 144481, 288962, 433443, 866886, 3323063, 6646126, 9969189, 19938378]

約数ペア:

[(1, 19938378), (2, 9969189), (3, 6646126), (6, 3323063), (23, 866886), (46, 433443), (69, 288962), (138, 144481)]