19940016

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{3271}}^1$

素因数の和:3409

約数の個数: 40

約数和(自身を含む): 51933184

約数和(自身を除く): 31993168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 254, 381, 508, 762, 1016, 1524, 2032, 3048, 3271, 6096, 6542, 9813, 13084, 19626, 26168, 39252, 52336, 78504, 157008, 415417, 830834, 1246251, 1661668, 2492502, 3323336, 4985004, 6646672, 9970008, 19940016]

約数ペア:

[(1, 19940016), (2, 9970008), (3, 6646672), (4, 4985004), (6, 3323336), (8, 2492502), (12, 1661668), (16, 1246251), (24, 830834), (48, 415417), (127, 157008), (254, 78504), (381, 52336), (508, 39252), (762, 26168), (1016, 19626), (1524, 13084), (2032, 9813), (3048, 6542), (3271, 6096)]