18308457

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 28944000

約数和(自身を除く): 10635543

約数列:

[1, 3, 9, 19, 27, 57, 89, 171, 267, 401, 513, 801, 1203, 1691, 2403, 3609, 5073, 7619, 10827, 15219, 22857, 35689, 45657, 68571, 107067, 205713, 321201, 678091, 963603, 2034273, 6102819, 18308457]

約数ペア:

[(1, 18308457), (3, 6102819), (9, 2034273), (19, 963603), (27, 678091), (57, 321201), (89, 205713), (171, 107067), (267, 68571), (401, 45657), (513, 35689), (801, 22857), (1203, 15219), (1691, 10827), (2403, 7619), (3609, 5073)]