19988107312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2858711}}^1$

素因数の和:2858761

約数の個数: 40

約数和(自身を含む): 42537634560

約数和(自身を除く): 22549527248

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3496, 6992, 2858711, 5717422, 11434844, 22869688, 45739376, 54315509, 65750353, 108631018, 131500706, 217262036, 263001412, 434524072, 526002824, 869048144, 1052005648, 1249256707, 2498513414, 4997026828, 9994053656, 19988107312]

約数ペア:

[(1, 19988107312), (2, 9994053656), (4, 4997026828), (8, 2498513414), (16, 1249256707), (19, 1052005648), (23, 869048144), (38, 526002824), (46, 434524072), (76, 263001412), (92, 217262036), (152, 131500706), (184, 108631018), (304, 65750353), (368, 54315509), (437, 45739376), (874, 22869688), (1748, 11434844), (3496, 5717422), (6992, 2858711)]