19403228

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28703}}^1$

素因数の和:28733

約数の個数: 18

約数和(自身を含む): 36769824

約数和(自身を除く): 17366596

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28703, 57406, 114812, 373139, 746278, 1492556, 4850807, 9701614, 19403228]

約数ペア:

[(1, 19403228), (2, 9701614), (4, 4850807), (13, 1492556), (26, 746278), (52, 373139), (169, 114812), (338, 57406), (676, 28703)]