16958564

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 36126720

約数和(自身を除く): 19168156

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 127, 133, 251, 254, 266, 502, 508, 532, 889, 1004, 1757, 1778, 2413, 3514, 3556, 4769, 4826, 7028, 9538, 9652, 16891, 19076, 31877, 33383, 33782, 63754, 66766, 67564, 127508, 133532, 223139, 446278, 605663, 892556, 1211326, 2422652, 4239641, 8479282, 16958564]

約数ペア:

[(1, 16958564), (2, 8479282), (4, 4239641), (7, 2422652), (14, 1211326), (19, 892556), (28, 605663), (38, 446278), (76, 223139), (127, 133532), (133, 127508), (251, 67564), (254, 66766), (266, 63754), (502, 33782), (508, 33383), (532, 31877), (889, 19076), (1004, 16891), (1757, 9652), (1778, 9538), (2413, 7028), (3514, 4826), (3556, 4769)]