19538106

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{719}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 25251654

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 647, 719, 1294, 1438, 1941, 2157, 3882, 4314, 4529, 5033, 9058, 10066, 13587, 15099, 27174, 30198, 465193, 930386, 1395579, 2791158, 3256351, 6512702, 9769053, 19538106]

約数ペア:

[(1, 19538106), (2, 9769053), (3, 6512702), (6, 3256351), (7, 2791158), (14, 1395579), (21, 930386), (42, 465193), (647, 30198), (719, 27174), (1294, 15099), (1438, 13587), (1941, 10066), (2157, 9058), (3882, 5033), (4314, 4529)]