19129551

素因数分解:

$3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{727}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 10747569

約数列:

[1, 3, 7, 21, 49, 147, 179, 537, 727, 1253, 2181, 3759, 5089, 8771, 15267, 26313, 35623, 106869, 130133, 390399, 910931, 2732793, 6376517, 19129551]

約数ペア:

[(1, 19129551), (3, 6376517), (7, 2732793), (21, 910931), (49, 390399), (147, 130133), (179, 106869), (537, 35623), (727, 26313), (1253, 15267), (2181, 8771), (3759, 5089)]