18761331

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{977}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 25866144

約数和(自身を除く): 7104813

約数列:

[1, 3, 37, 111, 173, 519, 977, 2931, 6401, 19203, 36149, 108447, 169021, 507063, 6253777, 18761331]

約数ペア:

[(1, 18761331), (3, 6253777), (37, 507063), (111, 169021), (173, 108447), (519, 36149), (977, 19203), (2931, 6401)]