18181240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5903}}^1$

素因数の和:5932

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 32829320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 5903, 11806, 23612, 29515, 41321, 47224, 59030, 64933, 82642, 118060, 129866, 165284, 206605, 236120, 259732, 324665, 330568, 413210, 454531, 519464, 649330, 826420, 909062, 1298660, 1652840, 1818124, 2272655, 2597320, 3636248, 4545310, 9090620, 18181240]

約数ペア:

[(1, 18181240), (2, 9090620), (4, 4545310), (5, 3636248), (7, 2597320), (8, 2272655), (10, 1818124), (11, 1652840), (14, 1298660), (20, 909062), (22, 826420), (28, 649330), (35, 519464), (40, 454531), (44, 413210), (55, 330568), (56, 324665), (70, 259732), (77, 236120), (88, 206605), (110, 165284), (140, 129866), (154, 118060), (220, 82642), (280, 64933), (308, 59030), (385, 47224), (440, 41321), (616, 29515), (770, 23612), (1540, 11806), (3080, 5903)]