18793340

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1439}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 39553920

約数和(自身を除く): 20760580

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 1439, 2612, 2878, 3265, 5756, 6530, 7195, 13060, 14390, 28780, 939667, 1879334, 3758668, 4698335, 9396670, 18793340]

約数ペア:

[(1, 18793340), (2, 9396670), (4, 4698335), (5, 3758668), (10, 1879334), (20, 939667), (653, 28780), (1306, 14390), (1439, 13060), (2612, 7195), (2878, 6530), (3265, 5756)]