18961145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{28513}}^1$

素因数の和:28544

約数の個数: 16

約数和(自身を含む): 27373440

約数和(自身を除く): 8412295

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 28513, 142565, 199591, 541747, 997955, 2708735, 3792229, 18961145]

約数ペア:

[(1, 18961145), (5, 3792229), (7, 2708735), (19, 997955), (35, 541747), (95, 199591), (133, 142565), (665, 28513)]