19211776

素因数分解:

$2^9\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:414

約数の個数: 40

約数和(自身を含む): 38792160

約数和(自身を除く): 19580384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 239, 256, 314, 478, 512, 628, 956, 1256, 1912, 2512, 3824, 5024, 7648, 10048, 15296, 20096, 30592, 37523, 40192, 61184, 75046, 80384, 122368, 150092, 300184, 600368, 1200736, 2401472, 4802944, 9605888, 19211776]

約数ペア:

[(1, 19211776), (2, 9605888), (4, 4802944), (8, 2401472), (16, 1200736), (32, 600368), (64, 300184), (128, 150092), (157, 122368), (239, 80384), (256, 75046), (314, 61184), (478, 40192), (512, 37523), (628, 30592), (956, 20096), (1256, 15296), (1912, 10048), (2512, 7648), (3824, 5024)]