19722248

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27091}}^1$

素因数の和:27117

約数の個数: 32

約数和(自身を含む): 45514560

約数和(自身を除く): 25792312

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27091, 54182, 108364, 189637, 216728, 352183, 379274, 704366, 758548, 1408732, 1517096, 2465281, 2817464, 4930562, 9861124, 19722248]

約数ペア:

[(1, 19722248), (2, 9861124), (4, 4930562), (7, 2817464), (8, 2465281), (13, 1517096), (14, 1408732), (26, 758548), (28, 704366), (52, 379274), (56, 352183), (91, 216728), (104, 189637), (182, 108364), (364, 54182), (728, 27091)]