18334407

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 30320640

約数和(自身を除く): 11986233

約数列:

[1, 3, 7, 13, 21, 39, 91, 239, 273, 281, 717, 843, 1673, 1967, 3107, 3653, 5019, 5901, 9321, 10959, 21749, 25571, 65247, 67159, 76713, 201477, 470113, 873067, 1410339, 2619201, 6111469, 18334407]

約数ペア:

[(1, 18334407), (3, 6111469), (7, 2619201), (13, 1410339), (21, 873067), (39, 470113), (91, 201477), (239, 76713), (273, 67159), (281, 65247), (717, 25571), (843, 21749), (1673, 10959), (1967, 9321), (3107, 5901), (3653, 5019)]