17994788

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2689}}^1$

素因数の和:2939

約数の個数: 24

約数和(自身を含む): 36153600

約数和(自身を除く): 18158812

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 2689, 3346, 5378, 6692, 10756, 18823, 37646, 75292, 642671, 1285342, 2570684, 4498697, 8997394, 17994788]

約数ペア:

[(1, 17994788), (2, 8997394), (4, 4498697), (7, 2570684), (14, 1285342), (28, 642671), (239, 75292), (478, 37646), (956, 18823), (1673, 10756), (2689, 6692), (3346, 5378)]