19368980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{50971}}^1$

素因数の和:50999

約数の個数: 24

約数和(自身を含む): 42816480

約数和(自身を除く): 23447500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 50971, 101942, 203884, 254855, 509710, 968449, 1019420, 1936898, 3873796, 4842245, 9684490, 19368980]

約数ペア:

[(1, 19368980), (2, 9684490), (4, 4842245), (5, 3873796), (10, 1936898), (19, 1019420), (20, 968449), (38, 509710), (76, 254855), (95, 203884), (190, 101942), (380, 50971)]