18040330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3347}}^1$

素因数の和:3379

約数の個数: 48

約数和(自身を含む): 41220576

約数和(自身を除く): 23180246

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3347, 5390, 6694, 16735, 23429, 33470, 36817, 46858, 73634, 117145, 164003, 184085, 234290, 257719, 328006, 368170, 515438, 820015, 1288595, 1640030, 1804033, 2577190, 3608066, 9020165, 18040330]

約数ペア:

[(1, 18040330), (2, 9020165), (5, 3608066), (7, 2577190), (10, 1804033), (11, 1640030), (14, 1288595), (22, 820015), (35, 515438), (49, 368170), (55, 328006), (70, 257719), (77, 234290), (98, 184085), (110, 164003), (154, 117145), (245, 73634), (385, 46858), (490, 36817), (539, 33470), (770, 23429), (1078, 16735), (2695, 6694), (3347, 5390)]