18655112

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 24112888

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 89, 133, 152, 178, 197, 266, 356, 394, 532, 623, 712, 788, 1064, 1246, 1379, 1576, 1691, 2492, 2758, 3382, 3743, 4984, 5516, 6764, 7486, 11032, 11837, 13528, 14972, 17533, 23674, 26201, 29944, 35066, 47348, 52402, 70132, 94696, 104804, 122731, 140264, 209608, 245462, 333127, 490924, 666254, 981848, 1332508, 2331889, 2665016, 4663778, 9327556, 18655112]

約数ペア:

[(1, 18655112), (2, 9327556), (4, 4663778), (7, 2665016), (8, 2331889), (14, 1332508), (19, 981848), (28, 666254), (38, 490924), (56, 333127), (76, 245462), (89, 209608), (133, 140264), (152, 122731), (178, 104804), (197, 94696), (266, 70132), (356, 52402), (394, 47348), (532, 35066), (623, 29944), (712, 26201), (788, 23674), (1064, 17533), (1246, 14972), (1379, 13528), (1576, 11837), (1691, 11032), (2492, 7486), (2758, 6764), (3382, 5516), (3743, 4984)]