19319408

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13567}}^1$

素因数の和:13664

約数の個数: 20

約数和(自身を含む): 37854720

約数和(自身を除く): 18535312

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13567, 27134, 54268, 108536, 217072, 1207463, 2414926, 4829852, 9659704, 19319408]

約数ペア:

[(1, 19319408), (2, 9659704), (4, 4829852), (8, 2414926), (16, 1207463), (89, 217072), (178, 108536), (356, 54268), (712, 27134), (1424, 13567)]