19691399536

素因数分解:

$2^4\times {\mathrm{3209}}^1\times {\mathrm{383519}}^1$

素因数の和:386736

約数の個数: 20

約数和(自身を含む): 38164075200

約数和(自身を除く): 18472675664

約数列:

[1, 2, 4, 8, 16, 3209, 6418, 12836, 25672, 51344, 383519, 767038, 1534076, 3068152, 6136304, 1230712471, 2461424942, 4922849884, 9845699768, 19691399536]

約数ペア:

[(1, 19691399536), (2, 9845699768), (4, 4922849884), (8, 2461424942), (16, 1230712471), (3209, 6136304), (6418, 3068152), (12836, 1534076), (25672, 767038), (51344, 383519)]