18619696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2663}}^1$

素因数の和:2713

約数の個数: 40

約数和(自身を含む): 39640320

約数和(自身を除く): 21020624

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 2663, 3496, 5326, 6992, 10652, 21304, 42608, 50597, 61249, 101194, 122498, 202388, 244996, 404776, 489992, 809552, 979984, 1163731, 2327462, 4654924, 9309848, 18619696]

約数ペア:

[(1, 18619696), (2, 9309848), (4, 4654924), (8, 2327462), (16, 1163731), (19, 979984), (23, 809552), (38, 489992), (46, 404776), (76, 244996), (92, 202388), (152, 122498), (184, 101194), (304, 61249), (368, 50597), (437, 42608), (874, 21304), (1748, 10652), (2663, 6992), (3496, 5326)]