19246864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13219}}^1$

素因数の和:13247

約数の個数: 40

約数和(自身を含む): 45899840

約数和(自身を除く): 26652976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13219, 26438, 52876, 92533, 105752, 171847, 185066, 211504, 343694, 370132, 687388, 740264, 1202929, 1374776, 1480528, 2405858, 2749552, 4811716, 9623432, 19246864]

約数ペア:

[(1, 19246864), (2, 9623432), (4, 4811716), (7, 2749552), (8, 2405858), (13, 1480528), (14, 1374776), (16, 1202929), (26, 740264), (28, 687388), (52, 370132), (56, 343694), (91, 211504), (104, 185066), (112, 171847), (182, 105752), (208, 92533), (364, 52876), (728, 26438), (1456, 13219)]