19427013

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 30518400

約数和(自身を除く): 11091387

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 577, 783, 1161, 1247, 1731, 3741, 5193, 11223, 15579, 16733, 24811, 33669, 50199, 74433, 150597, 223299, 451791, 669897, 719519, 2158557, 6475671, 19427013]

約数ペア:

[(1, 19427013), (3, 6475671), (9, 2158557), (27, 719519), (29, 669897), (43, 451791), (87, 223299), (129, 150597), (261, 74433), (387, 50199), (577, 33669), (783, 24811), (1161, 16733), (1247, 15579), (1731, 11223), (3741, 5193)]