18237505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 26853120

約数和(自身を除く): 8615615

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1109, 1265, 1495, 3289, 5545, 12199, 14417, 16445, 25507, 60995, 72085, 127535, 158587, 280577, 331591, 792935, 1402885, 1657955, 3647501, 18237505]

約数ペア:

[(1, 18237505), (5, 3647501), (11, 1657955), (13, 1402885), (23, 792935), (55, 331591), (65, 280577), (115, 158587), (143, 127535), (253, 72085), (299, 60995), (715, 25507), (1109, 16445), (1265, 14417), (1495, 12199), (3289, 5545)]