19519864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26813}}^1$

素因数の和:26839

約数の個数: 32

約数和(自身を含む): 45047520

約数和(自身を除く): 25527656

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 26813, 53626, 107252, 187691, 214504, 348569, 375382, 697138, 750764, 1394276, 1501528, 2439983, 2788552, 4879966, 9759932, 19519864]

約数ペア:

[(1, 19519864), (2, 9759932), (4, 4879966), (7, 2788552), (8, 2439983), (13, 1501528), (14, 1394276), (26, 750764), (28, 697138), (52, 375382), (56, 348569), (91, 214504), (104, 187691), (182, 107252), (364, 53626), (728, 26813)]