19001008

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7027}}^1$

素因数の和:7061

約数の個数: 30

約数和(自身を含む): 39869844

約数和(自身を除く): 20868836

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7027, 14054, 28108, 56216, 91351, 112432, 182702, 365404, 730808, 1187563, 1461616, 2375126, 4750252, 9500504, 19001008]

約数ペア:

[(1, 19001008), (2, 9500504), (4, 4750252), (8, 2375126), (13, 1461616), (16, 1187563), (26, 730808), (52, 365404), (104, 182702), (169, 112432), (208, 91351), (338, 56216), (676, 28108), (1352, 14054), (2704, 7027)]