18509127

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 12134073

約数列:

[1, 3, 7, 13, 21, 39, 91, 151, 273, 449, 453, 1057, 1347, 1963, 3143, 3171, 5837, 5889, 9429, 13741, 17511, 40859, 41223, 67799, 122577, 203397, 474593, 881387, 1423779, 2644161, 6169709, 18509127]

約数ペア:

[(1, 18509127), (3, 6169709), (7, 2644161), (13, 1423779), (21, 881387), (39, 474593), (91, 203397), (151, 122577), (273, 67799), (449, 41223), (453, 40859), (1057, 17511), (1347, 13741), (1963, 9429), (3143, 5889), (3171, 5837)]