19779152

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65063}}^1$

素因数の和:65090

約数の個数: 20

約数和(自身を含む): 40339680

約数和(自身を除く): 20560528

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65063, 130126, 260252, 520504, 1041008, 1236197, 2472394, 4944788, 9889576, 19779152]

約数ペア:

[(1, 19779152), (2, 9889576), (4, 4944788), (8, 2472394), (16, 1236197), (19, 1041008), (38, 520504), (76, 260252), (152, 130126), (304, 65063)]