18710940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2861}}^1$

素因数の和:2982

約数の個数: 48

約数和(自身を含む): 52889760

約数和(自身を除く): 34178820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 2861, 3270, 5722, 6540, 8583, 11444, 14305, 17166, 28610, 34332, 42915, 57220, 85830, 171660, 311849, 623698, 935547, 1247396, 1559245, 1871094, 3118490, 3742188, 4677735, 6236980, 9355470, 18710940]

約数ペア:

[(1, 18710940), (2, 9355470), (3, 6236980), (4, 4677735), (5, 3742188), (6, 3118490), (10, 1871094), (12, 1559245), (15, 1247396), (20, 935547), (30, 623698), (60, 311849), (109, 171660), (218, 85830), (327, 57220), (436, 42915), (545, 34332), (654, 28610), (1090, 17166), (1308, 14305), (1635, 11444), (2180, 8583), (2861, 6540), (3270, 5722)]