19428805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5791}}^1$

素因数の和:5868

約数の個数: 16

約数和(自身を含む): 25855488

約数和(自身を除く): 6426683

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 5791, 28955, 63701, 318505, 353251, 1766255, 3885761, 19428805]

約数ペア:

[(1, 19428805), (5, 3885761), (11, 1766255), (55, 353251), (61, 318505), (305, 63701), (671, 28955), (3355, 5791)]