19003952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5683}}^1$

素因数の和:5721

約数の個数: 40

約数和(自身を含む): 42288960

約数和(自身を除く): 23285008

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5683, 11366, 22732, 45464, 62513, 90928, 107977, 125026, 215954, 250052, 431908, 500104, 863816, 1000208, 1187747, 1727632, 2375494, 4750988, 9501976, 19003952]

約数ペア:

[(1, 19003952), (2, 9501976), (4, 4750988), (8, 2375494), (11, 1727632), (16, 1187747), (19, 1000208), (22, 863816), (38, 500104), (44, 431908), (76, 250052), (88, 215954), (152, 125026), (176, 107977), (209, 90928), (304, 62513), (418, 45464), (836, 22732), (1672, 11366), (3344, 5683)]