19865524

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4519}}^1$

素因数の和:4687

約数の個数: 24

約数和(自身を含む): 39992960

約数和(自身を除く): 20127436

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4519, 9038, 18076, 31633, 63266, 126532, 709483, 1418966, 2837932, 4966381, 9932762, 19865524]

約数ペア:

[(1, 19865524), (2, 9932762), (4, 4966381), (7, 2837932), (14, 1418966), (28, 709483), (157, 126532), (314, 63266), (628, 31633), (1099, 18076), (2198, 9038), (4396, 4519)]