1639347854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{2143}}^1$

素因数の和:2696

約数の個数: 32

約数和(自身を含む): 2658216960

約数和(自身を除く): 1018869106

約数列:

[1, 2, 19, 38, 41, 82, 491, 779, 982, 1558, 2143, 4286, 9329, 18658, 20131, 40262, 40717, 81434, 87863, 175726, 382489, 764978, 1052213, 1669397, 2104426, 3338794, 19992047, 39984094, 43140733, 86281466, 819673927, 1639347854]

約数ペア:

[(1, 1639347854), (2, 819673927), (19, 86281466), (38, 43140733), (41, 39984094), (82, 19992047), (491, 3338794), (779, 2104426), (982, 1669397), (1558, 1052213), (2143, 764978), (4286, 382489), (9329, 175726), (18658, 87863), (20131, 81434), (40262, 40717)]