19915832

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60719}}^1$

素因数の和:60766

約数の個数: 16

約数和(自身を含む): 38253600

約数和(自身を除く): 18337768

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60719, 121438, 242876, 485752, 2489479, 4978958, 9957916, 19915832]

約数ペア:

[(1, 19915832), (2, 9957916), (4, 4978958), (8, 2489479), (41, 485752), (82, 242876), (164, 121438), (328, 60719)]