19690726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 36250560

約数和(自身を除く): 16559834

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 163, 187, 209, 289, 323, 326, 374, 418, 578, 646, 1793, 2771, 3097, 3179, 3553, 3586, 5491, 5542, 6194, 6358, 7106, 10982, 30481, 34067, 47107, 52649, 60401, 60962, 68134, 94214, 105298, 120802, 518177, 579139, 895033, 1036354, 1158278, 1790066, 9845363, 19690726]

約数ペア:

[(1, 19690726), (2, 9845363), (11, 1790066), (17, 1158278), (19, 1036354), (22, 895033), (34, 579139), (38, 518177), (163, 120802), (187, 105298), (209, 94214), (289, 68134), (323, 60962), (326, 60401), (374, 52649), (418, 47107), (578, 34067), (646, 30481), (1793, 10982), (2771, 7106), (3097, 6358), (3179, 6194), (3553, 5542), (3586, 5491)]