18444820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48539}}^1$

素因数の和:48567

約数の個数: 24

約数和(自身を含む): 40773600

約数和(自身を除く): 22328780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 48539, 97078, 194156, 242695, 485390, 922241, 970780, 1844482, 3688964, 4611205, 9222410, 18444820]

約数ペア:

[(1, 18444820), (2, 9222410), (4, 4611205), (5, 3688964), (10, 1844482), (19, 970780), (20, 922241), (38, 485390), (76, 242695), (95, 194156), (190, 97078), (380, 48539)]