19205104

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70607}}^1$

素因数の和:70632

約数の個数: 20

約数和(自身を含む): 39399264

約数和(自身を除く): 20194160

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70607, 141214, 282428, 564856, 1129712, 1200319, 2400638, 4801276, 9602552, 19205104]

約数ペア:

[(1, 19205104), (2, 9602552), (4, 4801276), (8, 2400638), (16, 1200319), (17, 1129712), (34, 564856), (68, 282428), (136, 141214), (272, 70607)]