19129504

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 21150176

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 73, 76, 146, 152, 292, 304, 431, 584, 608, 862, 1168, 1387, 1724, 2336, 2774, 3448, 5548, 6896, 8189, 11096, 13792, 16378, 22192, 31463, 32756, 44384, 62926, 65512, 125852, 131024, 251704, 262048, 503408, 597797, 1006816, 1195594, 2391188, 4782376, 9564752, 19129504]

約数ペア:

[(1, 19129504), (2, 9564752), (4, 4782376), (8, 2391188), (16, 1195594), (19, 1006816), (32, 597797), (38, 503408), (73, 262048), (76, 251704), (146, 131024), (152, 125852), (292, 65512), (304, 62926), (431, 44384), (584, 32756), (608, 31463), (862, 22192), (1168, 16378), (1387, 13792), (1724, 11096), (2336, 8189), (2774, 6896), (3448, 5548)]