19689152

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:709

約数の個数: 56

約数和(自身を含む): 45354240

約数和(自身を除く): 25665088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 619, 994, 1136, 1238, 1988, 2272, 2476, 3976, 4333, 4544, 4952, 7952, 8666, 9904, 15904, 17332, 19808, 31808, 34664, 39616, 43949, 69328, 87898, 138656, 175796, 277312, 307643, 351592, 615286, 703184, 1230572, 1406368, 2461144, 2812736, 4922288, 9844576, 19689152]

約数ペア:

[(1, 19689152), (2, 9844576), (4, 4922288), (7, 2812736), (8, 2461144), (14, 1406368), (16, 1230572), (28, 703184), (32, 615286), (56, 351592), (64, 307643), (71, 277312), (112, 175796), (142, 138656), (224, 87898), (284, 69328), (448, 43949), (497, 39616), (568, 34664), (619, 31808), (994, 19808), (1136, 17332), (1238, 15904), (1988, 9904), (2272, 8666), (2476, 7952), (3976, 4952), (4333, 4544)]