19882016

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8069}}^1$

素因数の和:8097

約数の個数: 48

約数和(自身を含む): 48807360

約数和(自身を除く): 28925344

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8069, 16138, 32276, 56483, 64552, 88759, 112966, 129104, 177518, 225932, 258208, 355036, 451864, 621313, 710072, 903728, 1242626, 1420144, 1807456, 2485252, 2840288, 4970504, 9941008, 19882016]

約数ペア:

[(1, 19882016), (2, 9941008), (4, 4970504), (7, 2840288), (8, 2485252), (11, 1807456), (14, 1420144), (16, 1242626), (22, 903728), (28, 710072), (32, 621313), (44, 451864), (56, 355036), (77, 258208), (88, 225932), (112, 177518), (154, 129104), (176, 112966), (224, 88759), (308, 64552), (352, 56483), (616, 32276), (1232, 16138), (2464, 8069)]