19979330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4679}}^1$

素因数の和:4754

約数の個数: 32

約数和(自身を含む): 41783040

約数和(自身を除く): 21803710

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4679, 9358, 23395, 32753, 46790, 65506, 163765, 285419, 327530, 570838, 1427095, 1997933, 2854190, 3995866, 9989665, 19979330]

約数ペア:

[(1, 19979330), (2, 9989665), (5, 3995866), (7, 2854190), (10, 1997933), (14, 1427095), (35, 570838), (61, 327530), (70, 285419), (122, 163765), (305, 65506), (427, 46790), (610, 32753), (854, 23395), (2135, 9358), (4270, 4679)]