19977609

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1901}}^1$

素因数の和:2048

約数の個数: 16

約数和(自身を含む): 27753984

約数和(自身を除く): 7776375

約数列:

[1, 3, 31, 93, 113, 339, 1901, 3503, 5703, 10509, 58931, 176793, 214813, 644439, 6659203, 19977609]

約数ペア:

[(1, 19977609), (3, 6659203), (31, 644439), (93, 214813), (113, 176793), (339, 58931), (1901, 10509), (3503, 5703)]