18101820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27427}}^1$

素因数の和:27450

約数の個数: 48

約数和(自身を含む): 55294848

約数和(自身を除く): 37193028

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 27427, 54854, 82281, 109708, 137135, 164562, 274270, 301697, 329124, 411405, 548540, 603394, 822810, 905091, 1206788, 1508485, 1645620, 1810182, 3016970, 3620364, 4525455, 6033940, 9050910, 18101820]

約数ペア:

[(1, 18101820), (2, 9050910), (3, 6033940), (4, 4525455), (5, 3620364), (6, 3016970), (10, 1810182), (11, 1645620), (12, 1508485), (15, 1206788), (20, 905091), (22, 822810), (30, 603394), (33, 548540), (44, 411405), (55, 329124), (60, 301697), (66, 274270), (110, 164562), (132, 137135), (165, 109708), (220, 82281), (330, 54854), (660, 27427)]