19172980

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2503}}^1$

素因数の和:2895

約数の個数: 24

約数和(自身を含む): 40384512

約数和(自身を除く): 21211532

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2503, 3830, 5006, 7660, 10012, 12515, 25030, 50060, 958649, 1917298, 3834596, 4793245, 9586490, 19172980]

約数ペア:

[(1, 19172980), (2, 9586490), (4, 4793245), (5, 3834596), (10, 1917298), (20, 958649), (383, 50060), (766, 25030), (1532, 12515), (1915, 10012), (2503, 7660), (3830, 5006)]