18339660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 56106960

約数和(自身を除く): 37767300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 733, 834, 1251, 1390, 1466, 1668, 2085, 2199, 2502, 2780, 2932, 3665, 4170, 4398, 5004, 6255, 6597, 7330, 8340, 8796, 10995, 12510, 13194, 14660, 21990, 25020, 26388, 32985, 43980, 65970, 101887, 131940, 203774, 305661, 407548, 509435, 611322, 916983, 1018870, 1222644, 1528305, 1833966, 2037740, 3056610, 3667932, 4584915, 6113220, 9169830, 18339660]

約数ペア:

[(1, 18339660), (2, 9169830), (3, 6113220), (4, 4584915), (5, 3667932), (6, 3056610), (9, 2037740), (10, 1833966), (12, 1528305), (15, 1222644), (18, 1018870), (20, 916983), (30, 611322), (36, 509435), (45, 407548), (60, 305661), (90, 203774), (139, 131940), (180, 101887), (278, 65970), (417, 43980), (556, 32985), (695, 26388), (733, 25020), (834, 21990), (1251, 14660), (1390, 13194), (1466, 12510), (1668, 10995), (2085, 8796), (2199, 8340), (2502, 7330), (2780, 6597), (2932, 6255), (3665, 5004), (4170, 4398)]