9918340

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{809}}^1$

素因数の和:1431

約数の個数: 24

約数和(自身を含む): 20888280

約数和(自身を除く): 10969940

約数列:

[1, 2, 4, 5, 10, 20, 613, 809, 1226, 1618, 2452, 3065, 3236, 4045, 6130, 8090, 12260, 16180, 495917, 991834, 1983668, 2479585, 4959170, 9918340]

約数ペア:

[(1, 9918340), (2, 4959170), (4, 2479585), (5, 1983668), (10, 991834), (20, 495917), (613, 16180), (809, 12260), (1226, 8090), (1618, 6130), (2452, 4045), (3065, 3236)]