18889724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{35507}}^1$

素因数の和:35537

約数の個数: 24

約数和(自身を含む): 39768960

約数和(自身を除く): 20879236

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 35507, 71014, 142028, 248549, 497098, 674633, 994196, 1349266, 2698532, 4722431, 9444862, 18889724]

約数ペア:

[(1, 18889724), (2, 9444862), (4, 4722431), (7, 2698532), (14, 1349266), (19, 994196), (28, 674633), (38, 497098), (76, 248549), (133, 142028), (266, 71014), (532, 35507)]