19995075

素因数分解:

$3^2\times 5^2\times {\mathrm{88867}}^1$

素因数の和:88883

約数の個数: 18

約数和(自身を含む): 35813804

約数和(自身を除く): 15818729

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 88867, 266601, 444335, 799803, 1333005, 2221675, 3999015, 6665025, 19995075]

約数ペア:

[(1, 19995075), (3, 6665025), (5, 3999015), (9, 2221675), (15, 1333005), (25, 799803), (45, 444335), (75, 266601), (225, 88867)]