19931704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4457}}^1$

素因数の和:4519

約数の個数: 32

約数和(自身を含む): 41191920

約数和(自身を除く): 21260216

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4457, 4472, 8914, 17828, 35656, 57941, 115882, 191651, 231764, 383302, 463528, 766604, 1533208, 2491463, 4982926, 9965852, 19931704]

約数ペア:

[(1, 19931704), (2, 9965852), (4, 4982926), (8, 2491463), (13, 1533208), (26, 766604), (43, 463528), (52, 383302), (86, 231764), (104, 191651), (172, 115882), (344, 57941), (559, 35656), (1118, 17828), (2236, 8914), (4457, 4472)]