18864810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1171}}^1$

素因数の和:1363

約数の個数: 48

約数和(自身を含む): 49364640

約数和(自身を除く): 30499830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 179, 358, 537, 895, 1074, 1171, 1611, 1790, 2342, 2685, 3222, 3513, 5370, 5855, 7026, 8055, 10539, 11710, 16110, 17565, 21078, 35130, 52695, 105390, 209609, 419218, 628827, 1048045, 1257654, 1886481, 2096090, 3144135, 3772962, 6288270, 9432405, 18864810]

約数ペア:

[(1, 18864810), (2, 9432405), (3, 6288270), (5, 3772962), (6, 3144135), (9, 2096090), (10, 1886481), (15, 1257654), (18, 1048045), (30, 628827), (45, 419218), (90, 209609), (179, 105390), (358, 52695), (537, 35130), (895, 21078), (1074, 17565), (1171, 16110), (1611, 11710), (1790, 10539), (2342, 8055), (2685, 7026), (3222, 5855), (3513, 5370)]