18138141

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5051}}^1$

素因数の和:5086

約数の個数: 32

約数和(自身を含む): 32332800

約数和(自身を除く): 14194659

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5051, 15153, 35357, 45459, 95969, 106071, 136377, 287907, 318213, 671783, 863721, 954639, 2015349, 2591163, 6046047, 18138141]

約数ペア:

[(1, 18138141), (3, 6046047), (7, 2591163), (9, 2015349), (19, 954639), (21, 863721), (27, 671783), (57, 318213), (63, 287907), (133, 136377), (171, 106071), (189, 95969), (399, 45459), (513, 35357), (1197, 15153), (3591, 5051)]