19380280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6133}}^1$

素因数の和:6223

約数の個数: 32

約数和(自身を含む): 44164800

約数和(自身を除く): 24784520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6133, 12266, 24532, 30665, 49064, 61330, 122660, 245320, 484507, 969014, 1938028, 2422535, 3876056, 4845070, 9690140, 19380280]

約数ペア:

[(1, 19380280), (2, 9690140), (4, 4845070), (5, 3876056), (8, 2422535), (10, 1938028), (20, 969014), (40, 484507), (79, 245320), (158, 122660), (316, 61330), (395, 49064), (632, 30665), (790, 24532), (1580, 12266), (3160, 6133)]