19383284

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 34727616

約数和(自身を除く): 15344332

約数列:

[1, 2, 4, 71, 131, 142, 262, 284, 521, 524, 1042, 2084, 9301, 18602, 36991, 37204, 68251, 73982, 136502, 147964, 273004, 4845821, 9691642, 19383284]

約数ペア:

[(1, 19383284), (2, 9691642), (4, 4845821), (71, 273004), (131, 147964), (142, 136502), (262, 73982), (284, 68251), (521, 37204), (524, 36991), (1042, 18602), (2084, 9301)]