18604380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7211}}^1$

素因数の和:7266

約数の個数: 48

約数和(自身を含む): 53311104

約数和(自身を除く): 34706724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7211, 14422, 21633, 28844, 36055, 43266, 72110, 86532, 108165, 144220, 216330, 310073, 432660, 620146, 930219, 1240292, 1550365, 1860438, 3100730, 3720876, 4651095, 6201460, 9302190, 18604380]

約数ペア:

[(1, 18604380), (2, 9302190), (3, 6201460), (4, 4651095), (5, 3720876), (6, 3100730), (10, 1860438), (12, 1550365), (15, 1240292), (20, 930219), (30, 620146), (43, 432660), (60, 310073), (86, 216330), (129, 144220), (172, 108165), (215, 86532), (258, 72110), (430, 43266), (516, 36055), (645, 28844), (860, 21633), (1290, 14422), (2580, 7211)]