18424490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2019

約数の個数: 48

約数和(自身を含む): 40629600

約数和(自身を除く): 22205110

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 1979, 3958, 4655, 9310, 9895, 13853, 19790, 27706, 37601, 69265, 75202, 96971, 138530, 188005, 193942, 263207, 376010, 484855, 526414, 969710, 1316035, 1842449, 2632070, 3684898, 9212245, 18424490]

約数ペア:

[(1, 18424490), (2, 9212245), (5, 3684898), (7, 2632070), (10, 1842449), (14, 1316035), (19, 969710), (35, 526414), (38, 484855), (49, 376010), (70, 263207), (95, 193942), (98, 188005), (133, 138530), (190, 96971), (245, 75202), (266, 69265), (490, 37601), (665, 27706), (931, 19790), (1330, 13853), (1862, 9895), (1979, 9310), (3958, 4655)]