19505416

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4409}}^1$

素因数の和:4501

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 22830584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4409, 4424, 8818, 17636, 30863, 35272, 61726, 123452, 246904, 348311, 696622, 1393244, 2438177, 2786488, 4876354, 9752708, 19505416]

約数ペア:

[(1, 19505416), (2, 9752708), (4, 4876354), (7, 2786488), (8, 2438177), (14, 1393244), (28, 696622), (56, 348311), (79, 246904), (158, 123452), (316, 61726), (553, 35272), (632, 30863), (1106, 17636), (2212, 8818), (4409, 4424)]