19991050

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5477}}^1$

素因数の和:5562

約数の個数: 24

約数和(自身を含む): 37699596

約数和(自身を除く): 17708546

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650, 5477, 10954, 27385, 54770, 136925, 273850, 399821, 799642, 1999105, 3998210, 9995525, 19991050]

約数ペア:

[(1, 19991050), (2, 9995525), (5, 3998210), (10, 1999105), (25, 799642), (50, 399821), (73, 273850), (146, 136925), (365, 54770), (730, 27385), (1825, 10954), (3650, 5477)]