18728268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{443}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 47341056

約数和(自身を除く): 28612788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 271, 443, 542, 813, 886, 1084, 1329, 1626, 1772, 2658, 3252, 3523, 5316, 5759, 7046, 10569, 11518, 14092, 17277, 21138, 23036, 34554, 42276, 69108, 120053, 240106, 360159, 480212, 720318, 1440636, 1560689, 3121378, 4682067, 6242756, 9364134, 18728268]

約数ペア:

[(1, 18728268), (2, 9364134), (3, 6242756), (4, 4682067), (6, 3121378), (12, 1560689), (13, 1440636), (26, 720318), (39, 480212), (52, 360159), (78, 240106), (156, 120053), (271, 69108), (443, 42276), (542, 34554), (813, 23036), (886, 21138), (1084, 17277), (1329, 14092), (1626, 11518), (1772, 10569), (2658, 7046), (3252, 5759), (3523, 5316)]