19545790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1297}}^1$

素因数の和:1452

約数の個数: 32

約数和(自身を含む): 38690784

約数和(自身を除く): 19144994

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 274, 685, 1297, 1370, 1507, 2594, 3014, 6485, 7535, 12970, 14267, 15070, 28534, 71335, 142670, 177689, 355378, 888445, 1776890, 1954579, 3909158, 9772895, 19545790]

約数ペア:

[(1, 19545790), (2, 9772895), (5, 3909158), (10, 1954579), (11, 1776890), (22, 888445), (55, 355378), (110, 177689), (137, 142670), (274, 71335), (685, 28534), (1297, 15070), (1370, 14267), (1507, 12970), (2594, 7535), (3014, 6485)]