19357856

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 44089920

約数和(自身を除く): 24732064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 971, 1246, 1424, 1942, 2492, 2848, 3884, 4984, 6797, 7768, 9968, 13594, 15536, 19936, 27188, 31072, 54376, 86419, 108752, 172838, 217504, 345676, 604933, 691352, 1209866, 1382704, 2419732, 2765408, 4839464, 9678928, 19357856]

約数ペア:

[(1, 19357856), (2, 9678928), (4, 4839464), (7, 2765408), (8, 2419732), (14, 1382704), (16, 1209866), (28, 691352), (32, 604933), (56, 345676), (89, 217504), (112, 172838), (178, 108752), (224, 86419), (356, 54376), (623, 31072), (712, 27188), (971, 19936), (1246, 15536), (1424, 13594), (1942, 9968), (2492, 7768), (2848, 6797), (3884, 4984)]