19197695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18371}}^1$

素因数の和:18406

約数の個数: 16

約数和(自身を含む): 26455680

約数和(自身を除く): 7257985

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 18371, 91855, 202081, 349049, 1010405, 1745245, 3839539, 19197695]

約数ペア:

[(1, 19197695), (5, 3839539), (11, 1745245), (19, 1010405), (55, 349049), (95, 202081), (209, 91855), (1045, 18371)]