19220188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3391}}^1$

素因数の和:3517

約数の個数: 24

約数和(自身を含む): 36565760

約数和(自身を除く): 17345572

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3391, 5668, 6782, 13564, 44083, 88166, 176332, 369619, 739238, 1478476, 4805047, 9610094, 19220188]

約数ペア:

[(1, 19220188), (2, 9610094), (4, 4805047), (13, 1478476), (26, 739238), (52, 369619), (109, 176332), (218, 88166), (436, 44083), (1417, 13564), (2834, 6782), (3391, 5668)]