1889271380

素因数分解:

$2^2\times 5^1\times {\mathrm{3313}}^1\times {\mathrm{28513}}^1$

素因数の和:31835

約数の個数: 24

約数和(自身を含む): 3968806632

約数和(自身を除く): 2079535252

約数列:

[1, 2, 4, 5, 10, 20, 3313, 6626, 13252, 16565, 28513, 33130, 57026, 66260, 114052, 142565, 285130, 570260, 94463569, 188927138, 377854276, 472317845, 944635690, 1889271380]

約数ペア:

[(1, 1889271380), (2, 944635690), (4, 472317845), (5, 377854276), (10, 188927138), (20, 94463569), (3313, 570260), (6626, 285130), (13252, 142565), (16565, 114052), (28513, 66260), (33130, 57026)]