18880974730

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1697}}^1\times {\mathrm{5591}}^1$

素因数の和:7494

約数の個数: 32

約数和(自身を含む): 34182777600

約数和(自身を除く): 15301802870

約数列:

[1, 2, 5, 10, 199, 398, 995, 1697, 1990, 3394, 5591, 8485, 11182, 16970, 27955, 55910, 337703, 675406, 1112609, 1688515, 2225218, 3377030, 5563045, 9487927, 11126090, 18975854, 47439635, 94879270, 1888097473, 3776194946, 9440487365, 18880974730]

約数ペア:

[(1, 18880974730), (2, 9440487365), (5, 3776194946), (10, 1888097473), (199, 94879270), (398, 47439635), (995, 18975854), (1697, 11126090), (1990, 9487927), (3394, 5563045), (5591, 3377030), (8485, 2225218), (11182, 1688515), (16970, 1112609), (27955, 675406), (55910, 337703)]