19992904307

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7177}}^1\times {\mathrm{3907}}^1$

素因数の和:11138

約数の個数: 16

約数和(自身を含む): 21543647232

約数和(自身を除く): 1550742925

約数列:

[1, 23, 31, 713, 3907, 7177, 89861, 121117, 165071, 222487, 2785691, 5117201, 28040539, 644932397, 869256709, 19992904307]

約数ペア:

[(1, 19992904307), (23, 869256709), (31, 644932397), (713, 28040539), (3907, 5117201), (7177, 2785691), (89861, 222487), (121117, 165071)]