18224220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43391}}^1$

素因数の和:43410

約数の個数: 48

約数和(自身を含む): 58318848

約数和(自身を除く): 40094628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43391, 86782, 130173, 173564, 216955, 260346, 303737, 433910, 520692, 607474, 650865, 867820, 911211, 1214948, 1301730, 1518685, 1822422, 2603460, 3037370, 3644844, 4556055, 6074740, 9112110, 18224220]

約数ペア:

[(1, 18224220), (2, 9112110), (3, 6074740), (4, 4556055), (5, 3644844), (6, 3037370), (7, 2603460), (10, 1822422), (12, 1518685), (14, 1301730), (15, 1214948), (20, 911211), (21, 867820), (28, 650865), (30, 607474), (35, 520692), (42, 433910), (60, 303737), (70, 260346), (84, 216955), (105, 173564), (140, 130173), (210, 86782), (420, 43391)]