19788150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4549}}^1$

素因数の和:4593

約数の個数: 48

約数和(自身を含む): 50778000

約数和(自身を除く): 30989850

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4549, 9098, 13647, 22745, 27294, 45490, 68235, 113725, 131921, 136470, 227450, 263842, 341175, 395763, 659605, 682350, 791526, 1319210, 1978815, 3298025, 3957630, 6596050, 9894075, 19788150]

約数ペア:

[(1, 19788150), (2, 9894075), (3, 6596050), (5, 3957630), (6, 3298025), (10, 1978815), (15, 1319210), (25, 791526), (29, 682350), (30, 659605), (50, 395763), (58, 341175), (75, 263842), (87, 227450), (145, 136470), (150, 131921), (174, 113725), (290, 68235), (435, 45490), (725, 27294), (870, 22745), (1450, 13647), (2175, 9098), (4350, 4549)]