19105808

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13417}}^1$

素因数の和:13514

約数の個数: 20

約数和(自身を含む): 37436220

約数和(自身を除く): 18330412

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13417, 26834, 53668, 107336, 214672, 1194113, 2388226, 4776452, 9552904, 19105808]

約数ペア:

[(1, 19105808), (2, 9552904), (4, 4776452), (8, 2388226), (16, 1194113), (89, 214672), (178, 107336), (356, 53668), (712, 26834), (1424, 13417)]