18801484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{661}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 35552048

約数和(自身を除く): 16750564

約数列:

[1, 2, 4, 13, 26, 52, 547, 661, 1094, 1322, 2188, 2644, 7111, 8593, 14222, 17186, 28444, 34372, 361567, 723134, 1446268, 4700371, 9400742, 18801484]

約数ペア:

[(1, 18801484), (2, 9400742), (4, 4700371), (13, 1446268), (26, 723134), (52, 361567), (547, 34372), (661, 28444), (1094, 17186), (1322, 14222), (2188, 8593), (2644, 7111)]