18764891

素因数分解:

${\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:274

約数の個数: 16

約数和(自身を含む): 19975680

約数和(自身を除く): 1210789

約数列:

[1, 47, 59, 67, 101, 2773, 3149, 3953, 4747, 5959, 6767, 185791, 280073, 318049, 399253, 18764891]

約数ペア:

[(1, 18764891), (47, 399253), (59, 318049), (67, 280073), (101, 185791), (2773, 6767), (3149, 5959), (3953, 4747)]