19744505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12379}}^1$

素因数の和:12424

約数の個数: 16

約数和(自身を含む): 26740800

約数和(自身を除く): 6996295

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 12379, 61895, 136169, 358991, 680845, 1794955, 3948901, 19744505]

約数ペア:

[(1, 19744505), (5, 3948901), (11, 1794955), (29, 680845), (55, 358991), (145, 136169), (319, 61895), (1595, 12379)]