18642855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16141}}^1$

素因数の和:16167

約数の個数: 32

約数和(自身を含む): 37191168

約数和(自身を除く): 18548313

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 16141, 48423, 80705, 112987, 177551, 242115, 338961, 532653, 564935, 887755, 1242857, 1694805, 2663265, 3728571, 6214285, 18642855]

約数ペア:

[(1, 18642855), (3, 6214285), (5, 3728571), (7, 2663265), (11, 1694805), (15, 1242857), (21, 887755), (33, 564935), (35, 532653), (55, 338961), (77, 242115), (105, 177551), (165, 112987), (231, 80705), (385, 48423), (1155, 16141)]