18318870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2287}}^1$

素因数の和:2389

約数の個数: 48

約数和(自身を含む): 48185280

約数和(自身を除く): 29866410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2287, 2670, 4005, 4574, 6861, 8010, 11435, 13722, 20583, 22870, 34305, 41166, 68610, 102915, 203543, 205830, 407086, 610629, 1017715, 1221258, 1831887, 2035430, 3053145, 3663774, 6106290, 9159435, 18318870]

約数ペア:

[(1, 18318870), (2, 9159435), (3, 6106290), (5, 3663774), (6, 3053145), (9, 2035430), (10, 1831887), (15, 1221258), (18, 1017715), (30, 610629), (45, 407086), (89, 205830), (90, 203543), (178, 102915), (267, 68610), (445, 41166), (534, 34305), (801, 22870), (890, 20583), (1335, 13722), (1602, 11435), (2287, 8010), (2670, 6861), (4005, 4574)]