19793244

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 28106916

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 89, 129, 172, 178, 258, 267, 356, 431, 516, 534, 862, 1068, 1293, 1724, 2586, 3827, 5172, 7654, 11481, 15308, 18533, 22962, 37066, 38359, 45924, 55599, 74132, 76718, 111198, 115077, 153436, 222396, 230154, 460308, 1649437, 3298874, 4948311, 6597748, 9896622, 19793244]

約数ペア:

[(1, 19793244), (2, 9896622), (3, 6597748), (4, 4948311), (6, 3298874), (12, 1649437), (43, 460308), (86, 230154), (89, 222396), (129, 153436), (172, 115077), (178, 111198), (258, 76718), (267, 74132), (356, 55599), (431, 45924), (516, 38359), (534, 37066), (862, 22962), (1068, 18533), (1293, 15308), (1724, 11481), (2586, 7654), (3827, 5172)]