18680972

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1907}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 34191360

約数和(自身を除く): 15510388

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 1907, 2449, 3814, 4898, 7628, 9796, 59117, 118234, 150653, 236468, 301306, 602612, 4670243, 9340486, 18680972]

約数ペア:

[(1, 18680972), (2, 9340486), (4, 4670243), (31, 602612), (62, 301306), (79, 236468), (124, 150653), (158, 118234), (316, 59117), (1907, 9796), (2449, 7628), (3814, 4898)]