19804102

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 12371258

約数列:

[1, 2, 31, 37, 62, 74, 89, 97, 178, 194, 1147, 2294, 2759, 3007, 3293, 3589, 5518, 6014, 6586, 7178, 8633, 17266, 102083, 111259, 204166, 222518, 267623, 319421, 535246, 638842, 9902051, 19804102]

約数ペア:

[(1, 19804102), (2, 9902051), (31, 638842), (37, 535246), (62, 319421), (74, 267623), (89, 222518), (97, 204166), (178, 111259), (194, 102083), (1147, 17266), (2294, 8633), (2759, 7178), (3007, 6586), (3293, 6014), (3589, 5518)]