18378978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1373}}^1$

素因数の和:1498

約数の個数: 32

約数和(自身を含む): 38779776

約数和(自身を除く): 20400798

約数列:

[1, 2, 3, 6, 23, 46, 69, 97, 138, 194, 291, 582, 1373, 2231, 2746, 4119, 4462, 6693, 8238, 13386, 31579, 63158, 94737, 133181, 189474, 266362, 399543, 799086, 3063163, 6126326, 9189489, 18378978]

約数ペア:

[(1, 18378978), (2, 9189489), (3, 6126326), (6, 3063163), (23, 799086), (46, 399543), (69, 266362), (97, 189474), (138, 133181), (194, 94737), (291, 63158), (582, 31579), (1373, 13386), (2231, 8238), (2746, 6693), (4119, 4462)]