19538618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28649}}^1$

素因数の和:28693

約数の個数: 16

約数和(自身を含む): 33004800

約数和(自身を除く): 13466182

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28649, 57298, 315139, 630278, 888119, 1776238, 9769309, 19538618]

約数ペア:

[(1, 19538618), (2, 9769309), (11, 1776238), (22, 888119), (31, 630278), (62, 315139), (341, 57298), (682, 28649)]