19290460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{607}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 46577664

約数和(自身を除く): 27287204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 607, 908, 1135, 1214, 1589, 2270, 2428, 3035, 3178, 4249, 4540, 6070, 6356, 7945, 8498, 12140, 15890, 16996, 21245, 31780, 42490, 84980, 137789, 275578, 551156, 688945, 964523, 1377890, 1929046, 2755780, 3858092, 4822615, 9645230, 19290460]

約数ペア:

[(1, 19290460), (2, 9645230), (4, 4822615), (5, 3858092), (7, 2755780), (10, 1929046), (14, 1377890), (20, 964523), (28, 688945), (35, 551156), (70, 275578), (140, 137789), (227, 84980), (454, 42490), (607, 31780), (908, 21245), (1135, 16996), (1214, 15890), (1589, 12140), (2270, 8498), (2428, 7945), (3035, 6356), (3178, 6070), (4249, 4540)]