19017712

素因数分解:

$2^4\times 7^1\times {\mathrm{277}}^1\times {\mathrm{613}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 42331616

約数和(自身を除く): 23313904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 277, 554, 613, 1108, 1226, 1939, 2216, 2452, 3878, 4291, 4432, 4904, 7756, 8582, 9808, 15512, 17164, 31024, 34328, 68656, 169801, 339602, 679204, 1188607, 1358408, 2377214, 2716816, 4754428, 9508856, 19017712]

約数ペア:

[(1, 19017712), (2, 9508856), (4, 4754428), (7, 2716816), (8, 2377214), (14, 1358408), (16, 1188607), (28, 679204), (56, 339602), (112, 169801), (277, 68656), (554, 34328), (613, 31024), (1108, 17164), (1226, 15512), (1939, 9808), (2216, 8582), (2452, 7756), (3878, 4904), (4291, 4432)]