20181491688

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19555709}}^1$

素因数の和:19555761

約数の個数: 32

約数和(自身を含む): 51627074400

約数和(自身を除く): 31445582712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19555709, 39111418, 58667127, 78222836, 117334254, 156445672, 234668508, 469337016, 840895487, 1681790974, 2522686461, 3363581948, 5045372922, 6727163896, 10090745844, 20181491688]

約数ペア:

[(1, 20181491688), (2, 10090745844), (3, 6727163896), (4, 5045372922), (6, 3363581948), (8, 2522686461), (12, 1681790974), (24, 840895487), (43, 469337016), (86, 234668508), (129, 156445672), (172, 117334254), (258, 78222836), (344, 58667127), (516, 39111418), (1032, 19555709)]