18771948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40111}}^1$

素因数の和:40134

約数の個数: 36

約数和(自身を含む): 51102688

約数和(自身を除く): 32330740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40111, 80222, 120333, 160444, 240666, 360999, 481332, 521443, 721998, 1042886, 1443996, 1564329, 2085772, 3128658, 4692987, 6257316, 9385974, 18771948]

約数ペア:

[(1, 18771948), (2, 9385974), (3, 6257316), (4, 4692987), (6, 3128658), (9, 2085772), (12, 1564329), (13, 1443996), (18, 1042886), (26, 721998), (36, 521443), (39, 481332), (52, 360999), (78, 240666), (117, 160444), (156, 120333), (234, 80222), (468, 40111)]