19053986

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 34318080

約数和(自身を除く): 15264094

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 661, 994, 1322, 2059, 4118, 4627, 9254, 14413, 19169, 28826, 38338, 46931, 93862, 134183, 268366, 328517, 657034, 1360999, 2721998, 9526993, 19053986]

約数ペア:

[(1, 19053986), (2, 9526993), (7, 2721998), (14, 1360999), (29, 657034), (58, 328517), (71, 268366), (142, 134183), (203, 93862), (406, 46931), (497, 38338), (661, 28826), (994, 19169), (1322, 14413), (2059, 9254), (4118, 4627)]