19601236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{739}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 36260000

約数和(自身を除く): 16658764

約数列:

[1, 2, 4, 19, 38, 76, 349, 698, 739, 1396, 1478, 2956, 6631, 13262, 14041, 26524, 28082, 56164, 257911, 515822, 1031644, 4900309, 9800618, 19601236]

約数ペア:

[(1, 19601236), (2, 9800618), (4, 4900309), (19, 1031644), (38, 515822), (76, 257911), (349, 56164), (698, 28082), (739, 26524), (1396, 14041), (1478, 13262), (2956, 6631)]