19663874559

素因数分解:

$3^2\times 7^1\times {\mathrm{7817}}^1\times {\mathrm{39929}}^1$

素因数の和:47759

約数の個数: 24

約数和(自身を含む): 32465964960

約数和(自身を除く): 12802090401

約数列:

[1, 3, 7, 9, 21, 63, 7817, 23451, 39929, 54719, 70353, 119787, 164157, 279503, 359361, 492471, 838509, 2515527, 312124993, 936374979, 2184874951, 2809124937, 6554624853, 19663874559]

約数ペア:

[(1, 19663874559), (3, 6554624853), (7, 2809124937), (9, 2184874951), (21, 936374979), (63, 312124993), (7817, 2515527), (23451, 838509), (39929, 492471), (54719, 359361), (70353, 279503), (119787, 164157)]