19656505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21023}}^1$

素因数の和:21056

約数の個数: 16

約数和(自身を含む): 27247104

約数和(自身を除く): 7590599

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21023, 105115, 231253, 357391, 1156265, 1786955, 3931301, 19656505]

約数ペア:

[(1, 19656505), (5, 3931301), (11, 1786955), (17, 1156265), (55, 357391), (85, 231253), (187, 105115), (935, 21023)]