17917312

素因数分解:

$2^7\times 7^1\times {\mathrm{19997}}^1$

素因数の和:20018

約数の個数: 32

約数和(自身を含む): 40795920

約数和(自身を除く): 22878608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 19997, 39994, 79988, 139979, 159976, 279958, 319952, 559916, 639904, 1119832, 1279808, 2239664, 2559616, 4479328, 8958656, 17917312]

約数ペア:

[(1, 17917312), (2, 8958656), (4, 4479328), (7, 2559616), (8, 2239664), (14, 1279808), (16, 1119832), (28, 639904), (32, 559916), (56, 319952), (64, 279958), (112, 159976), (128, 139979), (224, 79988), (448, 39994), (896, 19997)]