19853309

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1321}}^1$

素因数の和:1460

約数の個数: 16

約数和(自身を含む): 24113280

約数和(自身を除く): 4259971

約数列:

[1, 7, 19, 113, 133, 791, 1321, 2147, 9247, 15029, 25099, 149273, 175693, 1044911, 2836187, 19853309]

約数ペア:

[(1, 19853309), (7, 2836187), (19, 1044911), (113, 175693), (133, 149273), (791, 25099), (1321, 15029), (2147, 9247)]