19907515341

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1987373}}^1$

素因数の和:1987442

約数の個数: 32

約数和(自身を含む): 34341822720

約数和(自身を除く): 14434307379

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 3339, 10017, 1987373, 5962119, 13911611, 17886357, 41734833, 53659071, 105330769, 125204499, 315992307, 375613497, 737315383, 947976921, 2211946149, 2843930763, 6635838447, 19907515341]

約数ペア:

[(1, 19907515341), (3, 6635838447), (7, 2843930763), (9, 2211946149), (21, 947976921), (27, 737315383), (53, 375613497), (63, 315992307), (159, 125204499), (189, 105330769), (371, 53659071), (477, 41734833), (1113, 17886357), (1431, 13911611), (3339, 5962119), (10017, 1987373)]