18387446

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 36024912

約数和(自身を除く): 17637466

約数列:

[1, 2, 7, 11, 14, 22, 37, 49, 74, 77, 98, 154, 259, 407, 461, 518, 539, 814, 922, 1078, 1813, 2849, 3227, 3626, 5071, 5698, 6454, 10142, 17057, 19943, 22589, 34114, 35497, 39886, 45178, 70994, 119399, 187627, 238798, 248479, 375254, 496958, 835793, 1313389, 1671586, 2626778, 9193723, 18387446]

約数ペア:

[(1, 18387446), (2, 9193723), (7, 2626778), (11, 1671586), (14, 1313389), (22, 835793), (37, 496958), (49, 375254), (74, 248479), (77, 238798), (98, 187627), (154, 119399), (259, 70994), (407, 45178), (461, 39886), (518, 35497), (539, 34114), (814, 22589), (922, 19943), (1078, 17057), (1813, 10142), (2849, 6454), (3227, 5698), (3626, 5071)]