31421918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{3181}}^1$

素因数の和:3643

約数の個数: 16

約数和(自身を含む): 51548400

約数和(自身を除く): 20126482

約数列:

[1, 2, 11, 22, 449, 898, 3181, 4939, 6362, 9878, 34991, 69982, 1428269, 2856538, 15710959, 31421918]

約数ペア:

[(1, 31421918), (2, 15710959), (11, 2856538), (22, 1428269), (449, 69982), (898, 34991), (3181, 9878), (4939, 6362)]