18972403

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:298

約数の個数: 16

約数和(自身を含む): 20316160

約数和(自身を除く): 1343757

約数列:

[1, 31, 61, 79, 127, 1891, 2449, 3937, 4819, 7747, 10033, 149389, 240157, 311023, 612013, 18972403]

約数ペア:

[(1, 18972403), (31, 612013), (61, 311023), (79, 240157), (127, 149389), (1891, 10033), (2449, 7747), (3937, 4819)]