19153957

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 20908800

約数和(自身を除く): 1754843

約数列:

[1, 19, 47, 89, 241, 893, 1691, 4183, 4579, 11327, 21449, 79477, 215213, 407531, 1008103, 19153957]

約数ペア:

[(1, 19153957), (19, 1008103), (47, 407531), (89, 215213), (241, 79477), (893, 21449), (1691, 11327), (4183, 4579)]