18114660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 55384056

約数和(自身を除く): 37269396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 641, 785, 942, 1282, 1413, 1570, 1884, 1923, 2355, 2564, 2826, 3140, 3205, 3846, 4710, 5652, 5769, 6410, 7065, 7692, 9420, 9615, 11538, 12820, 14130, 19230, 23076, 28260, 28845, 38460, 57690, 100637, 115380, 201274, 301911, 402548, 503185, 603822, 905733, 1006370, 1207644, 1509555, 1811466, 2012740, 3019110, 3622932, 4528665, 6038220, 9057330, 18114660]

約数ペア:

[(1, 18114660), (2, 9057330), (3, 6038220), (4, 4528665), (5, 3622932), (6, 3019110), (9, 2012740), (10, 1811466), (12, 1509555), (15, 1207644), (18, 1006370), (20, 905733), (30, 603822), (36, 503185), (45, 402548), (60, 301911), (90, 201274), (157, 115380), (180, 100637), (314, 57690), (471, 38460), (628, 28845), (641, 28260), (785, 23076), (942, 19230), (1282, 14130), (1413, 12820), (1570, 11538), (1884, 9615), (1923, 9420), (2355, 7692), (2564, 7065), (2826, 6410), (3140, 5769), (3205, 5652), (3846, 4710)]