19311904

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1433

約数の個数: 48

約数和(自身を含む): 41791680

約数和(自身を除く): 22479776

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1381, 1748, 2762, 3496, 5524, 6992, 11048, 13984, 22096, 26239, 31763, 44192, 52478, 63526, 104956, 127052, 209912, 254104, 419824, 508208, 603497, 839648, 1016416, 1206994, 2413988, 4827976, 9655952, 19311904]

約数ペア:

[(1, 19311904), (2, 9655952), (4, 4827976), (8, 2413988), (16, 1206994), (19, 1016416), (23, 839648), (32, 603497), (38, 508208), (46, 419824), (76, 254104), (92, 209912), (152, 127052), (184, 104956), (304, 63526), (368, 52478), (437, 44192), (608, 31763), (736, 26239), (874, 22096), (1381, 13984), (1748, 11048), (2762, 6992), (3496, 5524)]