18780462

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{2551}}^1$

素因数の和:2968

約数の個数: 24

約数和(自身を含む): 40806480

約数和(自身を除く): 22026018

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 2551, 3681, 5102, 7362, 7653, 15306, 22959, 45918, 1043359, 2086718, 3130077, 6260154, 9390231, 18780462]

約数ペア:

[(1, 18780462), (2, 9390231), (3, 6260154), (6, 3130077), (9, 2086718), (18, 1043359), (409, 45918), (818, 22959), (1227, 15306), (2454, 7653), (2551, 7362), (3681, 5102)]