19691506

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{571}}^1$

素因数の和:1017

約数の個数: 16

約数和(自身を含む): 30352608

約数和(自身を除く): 10661102

約数列:

[1, 2, 43, 86, 401, 571, 802, 1142, 17243, 24553, 34486, 49106, 228971, 457942, 9845753, 19691506]

約数ペア:

[(1, 19691506), (2, 9845753), (43, 457942), (86, 228971), (401, 49106), (571, 34486), (802, 24553), (1142, 17243)]