18954824

素因数分解:

$2^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1249}}^1$

素因数の和:1533

約数の個数: 32

約数和(自身を含む): 40800000

約数和(自身を除く): 21845176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 271, 542, 1084, 1249, 1897, 2168, 2498, 3794, 4996, 7588, 8743, 9992, 15176, 17486, 34972, 69944, 338479, 676958, 1353916, 2369353, 2707832, 4738706, 9477412, 18954824]

約数ペア:

[(1, 18954824), (2, 9477412), (4, 4738706), (7, 2707832), (8, 2369353), (14, 1353916), (28, 676958), (56, 338479), (271, 69944), (542, 34972), (1084, 17486), (1249, 15176), (1897, 9992), (2168, 8743), (2498, 7588), (3794, 4996)]