19221776

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2351}}^1$

素因数の和:2439

約数の個数: 40

約数和(自身を含む): 43163904

約数和(自身を除く): 23942128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2351, 4088, 4702, 8176, 9404, 16457, 18808, 32914, 37616, 65828, 131656, 171623, 263312, 343246, 686492, 1201361, 1372984, 2402722, 2745968, 4805444, 9610888, 19221776]

約数ペア:

[(1, 19221776), (2, 9610888), (4, 4805444), (7, 2745968), (8, 2402722), (14, 1372984), (16, 1201361), (28, 686492), (56, 343246), (73, 263312), (112, 171623), (146, 131656), (292, 65828), (511, 37616), (584, 32914), (1022, 18808), (1168, 16457), (2044, 9404), (2351, 8176), (4088, 4702)]