4145990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21821}}^1$

素因数の和:21847

約数の個数: 16

約数和(自身を含む): 7855920

約数和(自身を除く): 3709930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 21821, 43642, 109105, 218210, 414599, 829198, 2072995, 4145990]

約数ペア:

[(1, 4145990), (2, 2072995), (5, 829198), (10, 414599), (19, 218210), (38, 109105), (95, 43642), (190, 21821)]