19258912

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 40061952

約数和(自身を除く): 20803040

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 137, 184, 191, 274, 368, 382, 548, 736, 764, 1096, 1528, 2192, 3056, 3151, 4384, 4393, 6112, 6302, 8786, 12604, 17572, 25208, 26167, 35144, 50416, 52334, 70288, 100832, 104668, 140576, 209336, 418672, 601841, 837344, 1203682, 2407364, 4814728, 9629456, 19258912]

約数ペア:

[(1, 19258912), (2, 9629456), (4, 4814728), (8, 2407364), (16, 1203682), (23, 837344), (32, 601841), (46, 418672), (92, 209336), (137, 140576), (184, 104668), (191, 100832), (274, 70288), (368, 52334), (382, 50416), (548, 35144), (736, 26167), (764, 25208), (1096, 17572), (1528, 12604), (2192, 8786), (3056, 6302), (3151, 6112), (4384, 4393)]