19965512

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4513}}^1$

素因数の和:4605

約数の個数: 32

約数和(自身を含む): 43334400

約数和(自身を除く): 23368888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4513, 9026, 18052, 31591, 36104, 63182, 126364, 252728, 356527, 713054, 1426108, 2495689, 2852216, 4991378, 9982756, 19965512]

約数ペア:

[(1, 19965512), (2, 9982756), (4, 4991378), (7, 2852216), (8, 2495689), (14, 1426108), (28, 713054), (56, 356527), (79, 252728), (158, 126364), (316, 63182), (553, 36104), (632, 31591), (1106, 18052), (2212, 9026), (4424, 4513)]