19998810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17093}}^1$

素因数の和:17119

約数の個数: 48

約数和(自身を含む): 55999944

約数和(自身を除く): 36001134

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17093, 34186, 51279, 85465, 102558, 153837, 170930, 222209, 256395, 307674, 444418, 512790, 666627, 769185, 1111045, 1333254, 1538370, 1999881, 2222090, 3333135, 3999762, 6666270, 9999405, 19998810]

約数ペア:

[(1, 19998810), (2, 9999405), (3, 6666270), (5, 3999762), (6, 3333135), (9, 2222090), (10, 1999881), (13, 1538370), (15, 1333254), (18, 1111045), (26, 769185), (30, 666627), (39, 512790), (45, 444418), (65, 307674), (78, 256395), (90, 222209), (117, 170930), (130, 153837), (195, 102558), (234, 85465), (390, 51279), (585, 34186), (1170, 17093)]