19921376

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{21467}}^1$

素因数の和:21506

約数の個数: 24

約数和(自身を含む): 40574520

約数和(自身を除く): 20653144

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 21467, 42934, 85868, 171736, 343472, 622543, 686944, 1245086, 2490172, 4980344, 9960688, 19921376]

約数ペア:

[(1, 19921376), (2, 9960688), (4, 4980344), (8, 2490172), (16, 1245086), (29, 686944), (32, 622543), (58, 343472), (116, 171736), (232, 85868), (464, 42934), (928, 21467)]