19642718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 12705442

約数列:

[1, 2, 17, 34, 71, 79, 103, 142, 158, 206, 1207, 1343, 1751, 2414, 2686, 3502, 5609, 7313, 8137, 11218, 14626, 16274, 95353, 124321, 138329, 190706, 248642, 276658, 577727, 1155454, 9821359, 19642718]

約数ペア:

[(1, 19642718), (2, 9821359), (17, 1155454), (34, 577727), (71, 276658), (79, 248642), (103, 190706), (142, 138329), (158, 124321), (206, 95353), (1207, 16274), (1343, 14626), (1751, 11218), (2414, 8137), (2686, 7313), (3502, 5609)]