19388545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5779}}^1$

素因数の和:5856

約数の個数: 16

約数和(自身を含む): 25801920

約数和(自身を除く): 6413375

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 5779, 28895, 63569, 317845, 352519, 1762595, 3877709, 19388545]

約数ペア:

[(1, 19388545), (5, 3877709), (11, 1762595), (55, 352519), (61, 317845), (305, 63569), (671, 28895), (3355, 5779)]