18729472

素因数分解:

$2^9\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:408

約数の個数: 40

約数和(自身を含む): 37822356

約数和(自身を除く): 19092884

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 233, 256, 314, 466, 512, 628, 932, 1256, 1864, 2512, 3728, 5024, 7456, 10048, 14912, 20096, 29824, 36581, 40192, 59648, 73162, 80384, 119296, 146324, 292648, 585296, 1170592, 2341184, 4682368, 9364736, 18729472]

約数ペア:

[(1, 18729472), (2, 9364736), (4, 4682368), (8, 2341184), (16, 1170592), (32, 585296), (64, 292648), (128, 146324), (157, 119296), (233, 80384), (256, 73162), (314, 59648), (466, 40192), (512, 36581), (628, 29824), (932, 20096), (1256, 14912), (1864, 10048), (2512, 7456), (3728, 5024)]