18119788

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 32788224

約数和(自身を除く): 14668436

約数列:

[1, 2, 4, 37, 74, 148, 191, 382, 641, 764, 1282, 2564, 7067, 14134, 23717, 28268, 47434, 94868, 122431, 244862, 489724, 4529947, 9059894, 18119788]

約数ペア:

[(1, 18119788), (2, 9059894), (4, 4529947), (37, 489724), (74, 244862), (148, 122431), (191, 94868), (382, 47434), (641, 28268), (764, 23717), (1282, 14134), (2564, 7067)]