1888761215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1\times {\mathrm{1723}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 2606688000

約数和(自身を除く): 717926785

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 1049, 1723, 5245, 8615, 11539, 18953, 19931, 32737, 57695, 94765, 99655, 163685, 219241, 360107, 1096205, 1800535, 1807427, 9037135, 19881697, 34341113, 99408485, 171705565, 377752243, 1888761215]

約数ペア:

[(1, 1888761215), (5, 377752243), (11, 171705565), (19, 99408485), (55, 34341113), (95, 19881697), (209, 9037135), (1045, 1807427), (1049, 1800535), (1723, 1096205), (5245, 360107), (8615, 219241), (11539, 163685), (18953, 99655), (19931, 94765), (32737, 57695)]