18198364

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 17363876

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 89, 97, 124, 178, 194, 356, 388, 527, 1054, 1513, 1649, 2108, 2759, 3007, 3026, 3298, 5518, 6014, 6052, 6596, 8633, 11036, 12028, 17266, 34532, 46903, 51119, 93806, 102238, 146761, 187612, 204476, 267623, 293522, 535246, 587044, 1070492, 4549591, 9099182, 18198364]

約数ペア:

[(1, 18198364), (2, 9099182), (4, 4549591), (17, 1070492), (31, 587044), (34, 535246), (62, 293522), (68, 267623), (89, 204476), (97, 187612), (124, 146761), (178, 102238), (194, 93806), (356, 51119), (388, 46903), (527, 34532), (1054, 17266), (1513, 12028), (1649, 11036), (2108, 8633), (2759, 6596), (3007, 6052), (3026, 6014), (3298, 5518)]