18523540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 48432384

約数和(自身を除く): 29908844

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 43, 68, 70, 85, 86, 119, 140, 170, 172, 181, 215, 238, 301, 340, 362, 430, 476, 595, 602, 724, 731, 860, 905, 1190, 1204, 1267, 1462, 1505, 1810, 2380, 2534, 2924, 3010, 3077, 3620, 3655, 5068, 5117, 6020, 6154, 6335, 7310, 7783, 10234, 12308, 12670, 14620, 15385, 15566, 20468, 21539, 25340, 25585, 30770, 31132, 38915, 43078, 51170, 54481, 61540, 77830, 86156, 102340, 107695, 108962, 132311, 155660, 215390, 217924, 264622, 272405, 430780, 529244, 544810, 661555, 926177, 1089620, 1323110, 1852354, 2646220, 3704708, 4630885, 9261770, 18523540]

約数ペア:

[(1, 18523540), (2, 9261770), (4, 4630885), (5, 3704708), (7, 2646220), (10, 1852354), (14, 1323110), (17, 1089620), (20, 926177), (28, 661555), (34, 544810), (35, 529244), (43, 430780), (68, 272405), (70, 264622), (85, 217924), (86, 215390), (119, 155660), (140, 132311), (170, 108962), (172, 107695), (181, 102340), (215, 86156), (238, 77830), (301, 61540), (340, 54481), (362, 51170), (430, 43078), (476, 38915), (595, 31132), (602, 30770), (724, 25585), (731, 25340), (860, 21539), (905, 20468), (1190, 15566), (1204, 15385), (1267, 14620), (1462, 12670), (1505, 12308), (1810, 10234), (2380, 7783), (2534, 7310), (2924, 6335), (3010, 6154), (3077, 6020), (3620, 5117), (3655, 5068)]