18005754

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 42287616

約数和(自身を除く): 24281862

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 37, 39, 51, 74, 78, 102, 111, 221, 222, 367, 442, 481, 629, 663, 734, 962, 1101, 1258, 1326, 1443, 1887, 2202, 2886, 3774, 4771, 6239, 8177, 9542, 12478, 13579, 14313, 16354, 18717, 24531, 27158, 28626, 37434, 40737, 49062, 81107, 81474, 162214, 176527, 230843, 243321, 353054, 461686, 486642, 529581, 692529, 1059162, 1385058, 3000959, 6001918, 9002877, 18005754]

約数ペア:

[(1, 18005754), (2, 9002877), (3, 6001918), (6, 3000959), (13, 1385058), (17, 1059162), (26, 692529), (34, 529581), (37, 486642), (39, 461686), (51, 353054), (74, 243321), (78, 230843), (102, 176527), (111, 162214), (221, 81474), (222, 81107), (367, 49062), (442, 40737), (481, 37434), (629, 28626), (663, 27158), (734, 24531), (962, 18717), (1101, 16354), (1258, 14313), (1326, 13579), (1443, 12478), (1887, 9542), (2202, 8177), (2886, 6239), (3774, 4771)]