19002560

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1441

約数の個数: 56

約数和(自身を含む): 46335696

約数和(自身を除く): 27333136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1381, 1720, 2752, 2762, 3440, 5524, 6880, 6905, 11048, 13760, 13810, 22096, 27620, 44192, 55240, 59383, 88384, 110480, 118766, 220960, 237532, 296915, 441920, 475064, 593830, 950128, 1187660, 1900256, 2375320, 3800512, 4750640, 9501280, 19002560]

約数ペア:

[(1, 19002560), (2, 9501280), (4, 4750640), (5, 3800512), (8, 2375320), (10, 1900256), (16, 1187660), (20, 950128), (32, 593830), (40, 475064), (43, 441920), (64, 296915), (80, 237532), (86, 220960), (160, 118766), (172, 110480), (215, 88384), (320, 59383), (344, 55240), (430, 44192), (688, 27620), (860, 22096), (1376, 13810), (1381, 13760), (1720, 11048), (2752, 6905), (2762, 6880), (3440, 5524)]