19443184

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:433

約数の個数: 40

約数和(自身を含む): 39091248

約数和(自身を除く): 19648064

約数列:

[1, 2, 4, 8, 16, 41, 82, 107, 164, 214, 277, 328, 428, 554, 656, 856, 1108, 1712, 2216, 4387, 4432, 8774, 11357, 17548, 22714, 29639, 35096, 45428, 59278, 70192, 90856, 118556, 181712, 237112, 474224, 1215199, 2430398, 4860796, 9721592, 19443184]

約数ペア:

[(1, 19443184), (2, 9721592), (4, 4860796), (8, 2430398), (16, 1215199), (41, 474224), (82, 237112), (107, 181712), (164, 118556), (214, 90856), (277, 70192), (328, 59278), (428, 45428), (554, 35096), (656, 29639), (856, 22714), (1108, 17548), (1712, 11357), (2216, 8774), (4387, 4432)]