17999540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 23151052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 647, 1070, 1294, 1391, 2140, 2588, 2782, 3235, 5564, 6470, 6955, 8411, 12940, 13910, 16822, 27820, 33644, 42055, 69229, 84110, 138458, 168220, 276916, 346145, 692290, 899977, 1384580, 1799954, 3599908, 4499885, 8999770, 17999540]

約数ペア:

[(1, 17999540), (2, 8999770), (4, 4499885), (5, 3599908), (10, 1799954), (13, 1384580), (20, 899977), (26, 692290), (52, 346145), (65, 276916), (107, 168220), (130, 138458), (214, 84110), (260, 69229), (428, 42055), (535, 33644), (647, 27820), (1070, 16822), (1294, 13910), (1391, 12940), (2140, 8411), (2588, 6955), (2782, 6470), (3235, 5564)]