19428188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1217}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 36764112

約数和(自身を除く): 17335924

約数列:

[1, 2, 4, 13, 26, 52, 307, 614, 1217, 1228, 2434, 3991, 4868, 7982, 15821, 15964, 31642, 63284, 373619, 747238, 1494476, 4857047, 9714094, 19428188]

約数ペア:

[(1, 19428188), (2, 9714094), (4, 4857047), (13, 1494476), (26, 747238), (52, 373619), (307, 63284), (614, 31642), (1217, 15964), (1228, 15821), (2434, 7982), (3991, 4868)]