18949268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1187}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 35858592

約数和(自身を除く): 16909324

約数列:

[1, 2, 4, 13, 26, 52, 307, 614, 1187, 1228, 2374, 3991, 4748, 7982, 15431, 15964, 30862, 61724, 364409, 728818, 1457636, 4737317, 9474634, 18949268]

約数ペア:

[(1, 18949268), (2, 9474634), (4, 4737317), (13, 1457636), (26, 728818), (52, 364409), (307, 61724), (614, 30862), (1187, 15964), (1228, 15431), (2374, 7982), (3991, 4748)]