19921616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8707}}^1$

素因数の和:8739

約数の個数: 40

約数和(自身を含む): 45351264

約数和(自身を除く): 25429648

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8707, 17414, 34828, 69656, 95777, 113191, 139312, 191554, 226382, 383108, 452764, 766216, 905528, 1245101, 1532432, 1811056, 2490202, 4980404, 9960808, 19921616]

約数ペア:

[(1, 19921616), (2, 9960808), (4, 4980404), (8, 2490202), (11, 1811056), (13, 1532432), (16, 1245101), (22, 905528), (26, 766216), (44, 452764), (52, 383108), (88, 226382), (104, 191554), (143, 139312), (176, 113191), (208, 95777), (286, 69656), (572, 34828), (1144, 17414), (2288, 8707)]