19919198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{947}}^1$

素因数の和:1771

約数の個数: 16

約数和(自身を含む): 32250960

約数和(自身を除く): 12331762

約数列:

[1, 2, 13, 26, 809, 947, 1618, 1894, 10517, 12311, 21034, 24622, 766123, 1532246, 9959599, 19919198]

約数ペア:

[(1, 19919198), (2, 9959599), (13, 1532246), (26, 766123), (809, 24622), (947, 21034), (1618, 12311), (1894, 10517)]