19545776

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18233}}^1$

素因数の和:18308

約数の個数: 20

約数和(自身を含む): 38437272

約数和(自身を除く): 18891496

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18233, 36466, 72932, 145864, 291728, 1221611, 2443222, 4886444, 9772888, 19545776]

約数ペア:

[(1, 19545776), (2, 9772888), (4, 4886444), (8, 2443222), (16, 1221611), (67, 291728), (134, 145864), (268, 72932), (536, 36466), (1072, 18233)]