19331480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1409}}^1$

素因数の和:1441

約数の個数: 64

約数和(自身を含む): 50760000

約数和(自身を除く): 31428520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1409, 1715, 1960, 2744, 2818, 3430, 5636, 6860, 7045, 9863, 11272, 13720, 14090, 19726, 28180, 39452, 49315, 56360, 69041, 78904, 98630, 138082, 197260, 276164, 345205, 394520, 483287, 552328, 690410, 966574, 1380820, 1933148, 2416435, 2761640, 3866296, 4832870, 9665740, 19331480]

約数ペア:

[(1, 19331480), (2, 9665740), (4, 4832870), (5, 3866296), (7, 2761640), (8, 2416435), (10, 1933148), (14, 1380820), (20, 966574), (28, 690410), (35, 552328), (40, 483287), (49, 394520), (56, 345205), (70, 276164), (98, 197260), (140, 138082), (196, 98630), (245, 78904), (280, 69041), (343, 56360), (392, 49315), (490, 39452), (686, 28180), (980, 19726), (1372, 14090), (1409, 13720), (1715, 11272), (1960, 9863), (2744, 7045), (2818, 6860), (3430, 5636)]