18944768

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1780

約数の個数: 36

約数和(自身を含む): 38717448

約数和(自身を除く): 19772680

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 1721, 2752, 3442, 5504, 6884, 11008, 13768, 27536, 55072, 74003, 110144, 148006, 220288, 296012, 440576, 592024, 1184048, 2368096, 4736192, 9472384, 18944768]

約数ペア:

[(1, 18944768), (2, 9472384), (4, 4736192), (8, 2368096), (16, 1184048), (32, 592024), (43, 440576), (64, 296012), (86, 220288), (128, 148006), (172, 110144), (256, 74003), (344, 55072), (688, 27536), (1376, 13768), (1721, 11008), (2752, 6884), (3442, 5504)]