19076560

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{613}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 44539560

約数和(自身を除く): 25463000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 613, 778, 1226, 1556, 1945, 2452, 3065, 3112, 3890, 4904, 6130, 6224, 7780, 9808, 12260, 15560, 24520, 31120, 49040, 238457, 476914, 953828, 1192285, 1907656, 2384570, 3815312, 4769140, 9538280, 19076560]

約数ペア:

[(1, 19076560), (2, 9538280), (4, 4769140), (5, 3815312), (8, 2384570), (10, 1907656), (16, 1192285), (20, 953828), (40, 476914), (80, 238457), (389, 49040), (613, 31120), (778, 24520), (1226, 15560), (1556, 12260), (1945, 9808), (2452, 7780), (3065, 6224), (3112, 6130), (3890, 4904)]