18785104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90313}}^1$

素因数の和:90334

約数の個数: 20

約数和(自身を含む): 39196276

約数和(自身を除く): 20411172

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90313, 180626, 361252, 722504, 1174069, 1445008, 2348138, 4696276, 9392552, 18785104]

約数ペア:

[(1, 18785104), (2, 9392552), (4, 4696276), (8, 2348138), (13, 1445008), (16, 1174069), (26, 722504), (52, 361252), (104, 180626), (208, 90313)]