19630864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{111539}}^1$

素因数の和:111558

約数の個数: 20

約数和(自身を含む): 41492880

約数和(自身を除く): 21862016

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 111539, 223078, 446156, 892312, 1226929, 1784624, 2453858, 4907716, 9815432, 19630864]

約数ペア:

[(1, 19630864), (2, 9815432), (4, 4907716), (8, 2453858), (11, 1784624), (16, 1226929), (22, 892312), (44, 446156), (88, 223078), (176, 111539)]