18128220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{227}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 56077056

約数和(自身を除く): 37948836

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 227, 242, 330, 363, 454, 484, 605, 660, 681, 726, 908, 1135, 1210, 1331, 1362, 1452, 1815, 2270, 2420, 2497, 2662, 2724, 3405, 3630, 3993, 4540, 4994, 5324, 6655, 6810, 7260, 7491, 7986, 9988, 12485, 13310, 13620, 14982, 15972, 19965, 24970, 26620, 27467, 29964, 37455, 39930, 49940, 54934, 74910, 79860, 82401, 109868, 137335, 149820, 164802, 274670, 302137, 329604, 412005, 549340, 604274, 824010, 906411, 1208548, 1510685, 1648020, 1812822, 3021370, 3625644, 4532055, 6042740, 9064110, 18128220]

約数ペア:

[(1, 18128220), (2, 9064110), (3, 6042740), (4, 4532055), (5, 3625644), (6, 3021370), (10, 1812822), (11, 1648020), (12, 1510685), (15, 1208548), (20, 906411), (22, 824010), (30, 604274), (33, 549340), (44, 412005), (55, 329604), (60, 302137), (66, 274670), (110, 164802), (121, 149820), (132, 137335), (165, 109868), (220, 82401), (227, 79860), (242, 74910), (330, 54934), (363, 49940), (454, 39930), (484, 37455), (605, 29964), (660, 27467), (681, 26620), (726, 24970), (908, 19965), (1135, 15972), (1210, 14982), (1331, 13620), (1362, 13310), (1452, 12485), (1815, 9988), (2270, 7986), (2420, 7491), (2497, 7260), (2662, 6810), (2724, 6655), (3405, 5324), (3630, 4994), (3993, 4540)]