18605735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 6941017

約数列:

[1, 5, 17, 23, 31, 85, 115, 155, 307, 391, 527, 713, 1535, 1955, 2635, 3565, 5219, 7061, 9517, 12121, 26095, 35305, 47585, 60605, 120037, 161789, 218891, 600185, 808945, 1094455, 3721147, 18605735]

約数ペア:

[(1, 18605735), (5, 3721147), (17, 1094455), (23, 808945), (31, 600185), (85, 218891), (115, 161789), (155, 120037), (307, 60605), (391, 47585), (527, 35305), (713, 26095), (1535, 12121), (1955, 9517), (2635, 7061), (3565, 5219)]