18631400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4903}}^1$

素因数の和:4938

約数の個数: 48

約数和(自身を含む): 45607200

約数和(自身を除く): 26975800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 4903, 9806, 19612, 24515, 39224, 49030, 93157, 98060, 122575, 186314, 196120, 245150, 372628, 465785, 490300, 745256, 931570, 980600, 1863140, 2328925, 3726280, 4657850, 9315700, 18631400]

約数ペア:

[(1, 18631400), (2, 9315700), (4, 4657850), (5, 3726280), (8, 2328925), (10, 1863140), (19, 980600), (20, 931570), (25, 745256), (38, 490300), (40, 465785), (50, 372628), (76, 245150), (95, 196120), (100, 186314), (152, 122575), (190, 98060), (200, 93157), (380, 49030), (475, 39224), (760, 24515), (950, 19612), (1900, 9806), (3800, 4903)]