2018355664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{19763}}^1$

素因数の和:20275

約数の個数: 40

約数和(自身を含む): 4220167392

約数和(自身を除く): 2201811728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 491, 982, 1964, 3928, 6383, 7856, 12766, 19763, 25532, 39526, 51064, 79052, 102128, 158104, 256919, 316208, 513838, 1027676, 2055352, 4110704, 9703633, 19407266, 38814532, 77629064, 126147229, 155258128, 252294458, 504588916, 1009177832, 2018355664]

約数ペア:

[(1, 2018355664), (2, 1009177832), (4, 504588916), (8, 252294458), (13, 155258128), (16, 126147229), (26, 77629064), (52, 38814532), (104, 19407266), (208, 9703633), (491, 4110704), (982, 2055352), (1964, 1027676), (3928, 513838), (6383, 316208), (7856, 256919), (12766, 158104), (19763, 102128), (25532, 79052), (39526, 51064)]