19553870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9011}}^1$

素因数の和:9056

約数の個数: 32

約数和(自身を含む): 41527296

約数和(自身を除く): 21973426

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9011, 18022, 45055, 63077, 90110, 126154, 279341, 315385, 558682, 630770, 1396705, 1955387, 2793410, 3910774, 9776935, 19553870]

約数ペア:

[(1, 19553870), (2, 9776935), (5, 3910774), (7, 2793410), (10, 1955387), (14, 1396705), (31, 630770), (35, 558682), (62, 315385), (70, 279341), (155, 126154), (217, 90110), (310, 63077), (434, 45055), (1085, 18022), (2170, 9011)]