18690060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1721}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 52651872

約数和(自身を除く): 33961812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1721, 1810, 2172, 2715, 3442, 3620, 5163, 5430, 6884, 8605, 10326, 10860, 17210, 20652, 25815, 34420, 51630, 103260, 311501, 623002, 934503, 1246004, 1557505, 1869006, 3115010, 3738012, 4672515, 6230020, 9345030, 18690060]

約数ペア:

[(1, 18690060), (2, 9345030), (3, 6230020), (4, 4672515), (5, 3738012), (6, 3115010), (10, 1869006), (12, 1557505), (15, 1246004), (20, 934503), (30, 623002), (60, 311501), (181, 103260), (362, 51630), (543, 34420), (724, 25815), (905, 20652), (1086, 17210), (1721, 10860), (1810, 10326), (2172, 8605), (2715, 6884), (3442, 5430), (3620, 5163)]