19551152

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:981

約数の個数: 40

約数和(自身を含む): 40466160

約数和(自身を除く): 20915008

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 584, 881, 1168, 1387, 1762, 2774, 3524, 5548, 7048, 11096, 14096, 16739, 22192, 33478, 64313, 66956, 128626, 133912, 257252, 267824, 514504, 1029008, 1221947, 2443894, 4887788, 9775576, 19551152]

約数ペア:

[(1, 19551152), (2, 9775576), (4, 4887788), (8, 2443894), (16, 1221947), (19, 1029008), (38, 514504), (73, 267824), (76, 257252), (146, 133912), (152, 128626), (292, 66956), (304, 64313), (584, 33478), (881, 22192), (1168, 16739), (1387, 14096), (1762, 11096), (2774, 7048), (3524, 5548)]