16988774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 29635200

約数和(自身を除く): 12646426

約数列:

[1, 2, 11, 19, 22, 38, 97, 194, 209, 418, 419, 838, 1067, 1843, 2134, 3686, 4609, 7961, 9218, 15922, 20273, 40546, 40643, 81286, 87571, 175142, 447073, 772217, 894146, 1544434, 8494387, 16988774]

約数ペア:

[(1, 16988774), (2, 8494387), (11, 1544434), (19, 894146), (22, 772217), (38, 447073), (97, 175142), (194, 87571), (209, 81286), (418, 40643), (419, 40546), (838, 20273), (1067, 15922), (1843, 9218), (2134, 7961), (3686, 4609)]