20189761599

素因数分解:

$3^1\times 7^2\times {\mathrm{137345317}}^1$

素因数の和:137345334

約数の個数: 12

約数和(自身を含む): 31314732504

約数和(自身を除く): 11124970905

約数列:

[1, 3, 7, 21, 49, 147, 137345317, 412035951, 961417219, 2884251657, 6729920533, 20189761599]

約数ペア:

[(1, 20189761599), (3, 6729920533), (7, 2884251657), (21, 961417219), (49, 412035951), (147, 137345317)]