19107690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{90989}}^1$

素因数の和:91006

約数の個数: 32

約数和(自身を含む): 52410240

約数和(自身を除く): 33302550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 90989, 181978, 272967, 454945, 545934, 636923, 909890, 1273846, 1364835, 1910769, 2729670, 3184615, 3821538, 6369230, 9553845, 19107690]

約数ペア:

[(1, 19107690), (2, 9553845), (3, 6369230), (5, 3821538), (6, 3184615), (7, 2729670), (10, 1910769), (14, 1364835), (15, 1273846), (21, 909890), (30, 636923), (35, 545934), (42, 454945), (70, 272967), (105, 181978), (210, 90989)]