18506697

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 10385463

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 253, 407, 659, 759, 851, 1221, 1977, 2553, 7249, 9361, 15157, 21747, 24383, 28083, 45471, 73149, 166727, 268213, 500181, 560809, 804639, 1682427, 6168899, 18506697]

約数ペア:

[(1, 18506697), (3, 6168899), (11, 1682427), (23, 804639), (33, 560809), (37, 500181), (69, 268213), (111, 166727), (253, 73149), (407, 45471), (659, 28083), (759, 24383), (851, 21747), (1221, 15157), (1977, 9361), (2553, 7249)]