19736360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70487}}^1$

素因数の和:70505

約数の個数: 32

約数和(自身を含む): 50751360

約数和(自身を除く): 31015000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70487, 140974, 281948, 352435, 493409, 563896, 704870, 986818, 1409740, 1973636, 2467045, 2819480, 3947272, 4934090, 9868180, 19736360]

約数ペア:

[(1, 19736360), (2, 9868180), (4, 4934090), (5, 3947272), (7, 2819480), (8, 2467045), (10, 1973636), (14, 1409740), (20, 986818), (28, 704870), (35, 563896), (40, 493409), (56, 352435), (70, 281948), (140, 140974), (280, 70487)]