18379475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 23904720

約数和(自身を除く): 5525245

約数列:

[1, 5, 25, 29, 101, 145, 251, 505, 725, 1255, 2525, 2929, 6275, 7279, 14645, 25351, 36395, 73225, 126755, 181975, 633775, 735179, 3675895, 18379475]

約数ペア:

[(1, 18379475), (5, 3675895), (25, 735179), (29, 633775), (101, 181975), (145, 126755), (251, 73225), (505, 36395), (725, 25351), (1255, 14645), (2525, 7279), (2929, 6275)]