18417780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11369}}^1$

素因数の和:11390

約数の個数: 60

約数和(自身を含む): 57782340

約数和(自身を除く): 39364560

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11369, 22738, 34107, 45476, 56845, 68214, 102321, 113690, 136428, 170535, 204642, 227380, 306963, 341070, 409284, 511605, 613926, 682140, 920889, 1023210, 1227852, 1534815, 1841778, 2046420, 3069630, 3683556, 4604445, 6139260, 9208890, 18417780]

約数ペア:

[(1, 18417780), (2, 9208890), (3, 6139260), (4, 4604445), (5, 3683556), (6, 3069630), (9, 2046420), (10, 1841778), (12, 1534815), (15, 1227852), (18, 1023210), (20, 920889), (27, 682140), (30, 613926), (36, 511605), (45, 409284), (54, 341070), (60, 306963), (81, 227380), (90, 204642), (108, 170535), (135, 136428), (162, 113690), (180, 102321), (270, 68214), (324, 56845), (405, 45476), (540, 34107), (810, 22738), (1620, 11369)]