18140416287

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6977}}^1\times {\mathrm{7283}}^1$

素因数の和:14287

約数の個数: 32

約数和(自身を含む): 29276785152

約数和(自身を除く): 11136368865

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 6977, 7283, 20931, 21849, 48839, 50981, 118609, 123811, 146517, 152943, 355827, 371433, 830263, 866677, 2490789, 2600031, 50813491, 152440473, 355694437, 863829347, 1067083311, 2591488041, 6046805429, 18140416287]

約数ペア:

[(1, 18140416287), (3, 6046805429), (7, 2591488041), (17, 1067083311), (21, 863829347), (51, 355694437), (119, 152440473), (357, 50813491), (6977, 2600031), (7283, 2490789), (20931, 866677), (21849, 830263), (48839, 371433), (50981, 355827), (118609, 152943), (123811, 146517)]