19017280

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:971

約数の個数: 56

約数和(自身を含む): 46012608

約数和(自身を除く): 26995328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 887, 1072, 1340, 1774, 2144, 2680, 3548, 4288, 4435, 5360, 7096, 8870, 10720, 14192, 17740, 21440, 28384, 35480, 56768, 59429, 70960, 118858, 141920, 237716, 283840, 297145, 475432, 594290, 950864, 1188580, 1901728, 2377160, 3803456, 4754320, 9508640, 19017280]

約数ペア:

[(1, 19017280), (2, 9508640), (4, 4754320), (5, 3803456), (8, 2377160), (10, 1901728), (16, 1188580), (20, 950864), (32, 594290), (40, 475432), (64, 297145), (67, 283840), (80, 237716), (134, 141920), (160, 118858), (268, 70960), (320, 59429), (335, 56768), (536, 35480), (670, 28384), (887, 21440), (1072, 17740), (1340, 14192), (1774, 10720), (2144, 8870), (2680, 7096), (3548, 5360), (4288, 4435)]