18338440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15809}}^1$

素因数の和:15849

約数の個数: 32

約数和(自身を含む): 42687000

約数和(自身を除く): 24348560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 15809, 31618, 63236, 79045, 126472, 158090, 316180, 458461, 632360, 916922, 1833844, 2292305, 3667688, 4584610, 9169220, 18338440]

約数ペア:

[(1, 18338440), (2, 9169220), (4, 4584610), (5, 3667688), (8, 2292305), (10, 1833844), (20, 916922), (29, 632360), (40, 458461), (58, 316180), (116, 158090), (145, 126472), (232, 79045), (290, 63236), (580, 31618), (1160, 15809)]