18860856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{857}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 54362880

約数和(自身を除く): 35502024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 786, 857, 917, 1048, 1572, 1714, 1834, 2571, 2751, 3144, 3428, 3668, 5142, 5502, 5999, 6856, 7336, 10284, 11004, 11998, 17997, 20568, 22008, 23996, 35994, 47992, 71988, 112267, 143976, 224534, 336801, 449068, 673602, 785869, 898136, 1347204, 1571738, 2357607, 2694408, 3143476, 4715214, 6286952, 9430428, 18860856]

約数ペア:

[(1, 18860856), (2, 9430428), (3, 6286952), (4, 4715214), (6, 3143476), (7, 2694408), (8, 2357607), (12, 1571738), (14, 1347204), (21, 898136), (24, 785869), (28, 673602), (42, 449068), (56, 336801), (84, 224534), (131, 143976), (168, 112267), (262, 71988), (393, 47992), (524, 35994), (786, 23996), (857, 22008), (917, 20568), (1048, 17997), (1572, 11998), (1714, 11004), (1834, 10284), (2571, 7336), (2751, 6856), (3144, 5999), (3428, 5502), (3668, 5142)]