18912148199

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{78259}}^1$

素因数の和:78387

約数の個数: 32

約数和(自身を含む): 24041472000

約数和(自身を除く): 5129323801

約数列:

[1, 7, 19, 23, 79, 133, 161, 437, 553, 1501, 1817, 3059, 10507, 12719, 34523, 78259, 241661, 547813, 1486921, 1799957, 6182461, 10408447, 12599699, 34199183, 43277227, 117466759, 142196603, 239394281, 822267313, 995376221, 2701735457, 18912148199]

約数ペア:

[(1, 18912148199), (7, 2701735457), (19, 995376221), (23, 822267313), (79, 239394281), (133, 142196603), (161, 117466759), (437, 43277227), (553, 34199183), (1501, 12599699), (1817, 10408447), (3059, 6182461), (10507, 1799957), (12719, 1486921), (34523, 547813), (78259, 241661)]