19914947

素因数分解:

${\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:362

約数の個数: 16

約数和(自身を含む): 22014720

約数和(自身を除く): 2099773

約数列:

[1, 13, 103, 107, 139, 1339, 1391, 1807, 11021, 14317, 14873, 143273, 186121, 193349, 1531919, 19914947]

約数ペア:

[(1, 19914947), (13, 1531919), (103, 193349), (107, 186121), (139, 143273), (1339, 14873), (1391, 14317), (1807, 11021)]