19111456

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6563}}^1$

素因数の和:6593

約数の個数: 48

約数和(自身を含む): 46315584

約数和(自身を除く): 27204128

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6563, 13126, 26252, 45941, 52504, 85319, 91882, 105008, 170638, 183764, 210016, 341276, 367528, 597233, 682552, 735056, 1194466, 1365104, 1470112, 2388932, 2730208, 4777864, 9555728, 19111456]

約数ペア:

[(1, 19111456), (2, 9555728), (4, 4777864), (7, 2730208), (8, 2388932), (13, 1470112), (14, 1365104), (16, 1194466), (26, 735056), (28, 682552), (32, 597233), (52, 367528), (56, 341276), (91, 210016), (104, 183764), (112, 170638), (182, 105008), (208, 91882), (224, 85319), (364, 52504), (416, 45941), (728, 26252), (1456, 13126), (2912, 6563)]