19364290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{439}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 38206080

約数和(自身を除く): 18841790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 401, 439, 802, 878, 2005, 2195, 4010, 4390, 4411, 4829, 8822, 9658, 22055, 24145, 44110, 48290, 176039, 352078, 880195, 1760390, 1936429, 3872858, 9682145, 19364290]

約数ペア:

[(1, 19364290), (2, 9682145), (5, 3872858), (10, 1936429), (11, 1760390), (22, 880195), (55, 352078), (110, 176039), (401, 48290), (439, 44110), (802, 24145), (878, 22055), (2005, 9658), (2195, 8822), (4010, 4829), (4390, 4411)]