19896656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4159}}^1$

素因数の和:4203

約数の個数: 40

約数和(自身を含む): 43330560

約数和(自身を除く): 23433904

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4159, 4784, 8318, 16636, 33272, 54067, 66544, 95657, 108134, 191314, 216268, 382628, 432536, 765256, 865072, 1243541, 1530512, 2487082, 4974164, 9948328, 19896656]

約数ペア:

[(1, 19896656), (2, 9948328), (4, 4974164), (8, 2487082), (13, 1530512), (16, 1243541), (23, 865072), (26, 765256), (46, 432536), (52, 382628), (92, 216268), (104, 191314), (184, 108134), (208, 95657), (299, 66544), (368, 54067), (598, 33272), (1196, 16636), (2392, 8318), (4159, 4784)]