18030145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1427}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 26115264

約数和(自身を除く): 8085119

約数列:

[1, 5, 7, 19, 35, 95, 133, 361, 665, 1427, 1805, 2527, 7135, 9989, 12635, 27113, 49945, 135565, 189791, 515147, 948955, 2575735, 3606029, 18030145]

約数ペア:

[(1, 18030145), (5, 3606029), (7, 2575735), (19, 948955), (35, 515147), (95, 189791), (133, 135565), (361, 49945), (665, 27113), (1427, 12635), (1805, 9989), (2527, 7135)]