18743673

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1663}}^1$

素因数の和:1713

約数の個数: 24

約数和(自身を含む): 28607488

約数和(自身を除く): 9863815

約数列:

[1, 3, 13, 17, 39, 51, 221, 289, 663, 867, 1663, 3757, 4989, 11271, 21619, 28271, 64857, 84813, 367523, 480607, 1102569, 1441821, 6247891, 18743673]

約数ペア:

[(1, 18743673), (3, 6247891), (13, 1441821), (17, 1102569), (39, 480607), (51, 367523), (221, 84813), (289, 64857), (663, 28271), (867, 21619), (1663, 11271), (3757, 4989)]