19753396

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29221}}^1$

素因数の和:29251

約数の個数: 18

約数和(自身を含む): 37433382

約数和(自身を除く): 17679986

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29221, 58442, 116884, 379873, 759746, 1519492, 4938349, 9876698, 19753396]

約数ペア:

[(1, 19753396), (2, 9876698), (4, 4938349), (13, 1519492), (26, 759746), (52, 379873), (169, 116884), (338, 58442), (676, 29221)]