19886650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8117}}^1$

素因数の和:8143

約数の個数: 36

約数和(自身を含む): 43033518

約数和(自身を除く): 23146868

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8117, 16234, 40585, 56819, 81170, 113638, 202925, 284095, 397733, 405850, 568190, 795466, 1420475, 1988665, 2840950, 3977330, 9943325, 19886650]

約数ペア:

[(1, 19886650), (2, 9943325), (5, 3977330), (7, 2840950), (10, 1988665), (14, 1420475), (25, 795466), (35, 568190), (49, 405850), (50, 397733), (70, 284095), (98, 202925), (175, 113638), (245, 81170), (350, 56819), (490, 40585), (1225, 16234), (2450, 8117)]