19521008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{93851}}^1$

素因数の和:93872

約数の個数: 20

約数和(自身を含む): 40731768

約数和(自身を除く): 21210760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 93851, 187702, 375404, 750808, 1220063, 1501616, 2440126, 4880252, 9760504, 19521008]

約数ペア:

[(1, 19521008), (2, 9760504), (4, 4880252), (8, 2440126), (13, 1501616), (16, 1220063), (26, 750808), (52, 375404), (104, 187702), (208, 93851)]