19912418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{9887}}^1$

素因数の和:9961

約数の個数: 16

約数和(自身を含む): 32037120

約数和(自身を除く): 12124702

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 9887, 19774, 187853, 375706, 524011, 1048022, 9956209, 19912418]

約数ペア:

[(1, 19912418), (2, 9956209), (19, 1048022), (38, 524011), (53, 375706), (106, 187853), (1007, 19774), (2014, 9887)]