19961082

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15619}}^1$

素因数の和:15698

約数の個数: 24

約数和(自身を含む): 43860960

約数和(自身を除く): 23899878

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15619, 31238, 46857, 93714, 140571, 281142, 1108949, 2217898, 3326847, 6653694, 9980541, 19961082]

約数ペア:

[(1, 19961082), (2, 9980541), (3, 6653694), (6, 3326847), (9, 2217898), (18, 1108949), (71, 281142), (142, 140571), (213, 93714), (426, 46857), (639, 31238), (1278, 15619)]