18456858

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 72

約数和(自身を含む): 47410272

約数和(自身を除く): 28953414

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 107, 111, 126, 214, 222, 259, 321, 333, 518, 642, 666, 749, 777, 963, 1369, 1498, 1554, 1926, 2247, 2331, 2738, 3959, 4107, 4494, 4662, 6741, 7918, 8214, 9583, 11877, 12321, 13482, 19166, 23754, 24642, 27713, 28749, 35631, 55426, 57498, 71262, 83139, 86247, 146483, 166278, 172494, 249417, 292966, 439449, 498834, 878898, 1025381, 1318347, 2050762, 2636694, 3076143, 6152286, 9228429, 18456858]

約数ペア:

[(1, 18456858), (2, 9228429), (3, 6152286), (6, 3076143), (7, 2636694), (9, 2050762), (14, 1318347), (18, 1025381), (21, 878898), (37, 498834), (42, 439449), (63, 292966), (74, 249417), (107, 172494), (111, 166278), (126, 146483), (214, 86247), (222, 83139), (259, 71262), (321, 57498), (333, 55426), (518, 35631), (642, 28749), (666, 27713), (749, 24642), (777, 23754), (963, 19166), (1369, 13482), (1498, 12321), (1554, 11877), (1926, 9583), (2247, 8214), (2331, 7918), (2738, 6741), (3959, 4662), (4107, 4494)]