19927131

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41257}}^1$

素因数の和:41290

約数の個数: 16

約数和(自身を含む): 31686144

約数和(自身を除く): 11759013

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41257, 123771, 288799, 866397, 948911, 2846733, 6642377, 19927131]

約数ペア:

[(1, 19927131), (3, 6642377), (7, 2846733), (21, 948911), (23, 866397), (69, 288799), (161, 123771), (483, 41257)]