18442825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 24685920

約数和(自身を除く): 6243095

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 947, 1025, 3895, 4735, 17993, 19475, 23675, 38827, 89965, 194135, 449825, 737713, 970675, 3688565, 18442825]

約数ペア:

[(1, 18442825), (5, 3688565), (19, 970675), (25, 737713), (41, 449825), (95, 194135), (205, 89965), (475, 38827), (779, 23675), (947, 19475), (1025, 17993), (3895, 4735)]