18717636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{503}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 50125824

約数和(自身を除く): 31408188

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 443, 503, 886, 1006, 1329, 1509, 1772, 2012, 2658, 3018, 3101, 3521, 5316, 6036, 6202, 7042, 9303, 10563, 12404, 14084, 18606, 21126, 37212, 42252, 222829, 445658, 668487, 891316, 1336974, 1559803, 2673948, 3119606, 4679409, 6239212, 9358818, 18717636]

約数ペア:

[(1, 18717636), (2, 9358818), (3, 6239212), (4, 4679409), (6, 3119606), (7, 2673948), (12, 1559803), (14, 1336974), (21, 891316), (28, 668487), (42, 445658), (84, 222829), (443, 42252), (503, 37212), (886, 21126), (1006, 18606), (1329, 14084), (1509, 12404), (1772, 10563), (2012, 9303), (2658, 7042), (3018, 6202), (3101, 6036), (3521, 5316)]