19655156

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 18447244

約数列:

[1, 2, 4, 23, 29, 46, 53, 58, 92, 106, 116, 139, 212, 278, 556, 667, 1219, 1334, 1537, 2438, 2668, 3074, 3197, 4031, 4876, 6148, 6394, 7367, 8062, 12788, 14734, 16124, 29468, 35351, 70702, 92713, 141404, 169441, 185426, 213643, 338882, 370852, 427286, 677764, 854572, 4913789, 9827578, 19655156]

約数ペア:

[(1, 19655156), (2, 9827578), (4, 4913789), (23, 854572), (29, 677764), (46, 427286), (53, 370852), (58, 338882), (92, 213643), (106, 185426), (116, 169441), (139, 141404), (212, 92713), (278, 70702), (556, 35351), (667, 29468), (1219, 16124), (1334, 14734), (1537, 12788), (2438, 8062), (2668, 7367), (3074, 6394), (3197, 6148), (4031, 4876)]