18380985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5647}}^1$

素因数の和:5693

約数の個数: 32

約数和(自身を含む): 34701312

約数和(自身を除く): 16320327

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 5647, 16941, 28235, 39529, 84705, 118587, 175057, 197645, 525171, 592935, 875285, 1225399, 2625855, 3676197, 6126995, 18380985]

約数ペア:

[(1, 18380985), (3, 6126995), (5, 3676197), (7, 2625855), (15, 1225399), (21, 875285), (31, 592935), (35, 525171), (93, 197645), (105, 175057), (155, 118587), (217, 84705), (465, 39529), (651, 28235), (1085, 16941), (3255, 5647)]