19626412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{661}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 37109072

約数和(自身を除く): 17482660

約数列:

[1, 2, 4, 13, 26, 52, 571, 661, 1142, 1322, 2284, 2644, 7423, 8593, 14846, 17186, 29692, 34372, 377431, 754862, 1509724, 4906603, 9813206, 19626412]

約数ペア:

[(1, 19626412), (2, 9813206), (4, 4906603), (13, 1509724), (26, 754862), (52, 377431), (571, 34372), (661, 29692), (1142, 17186), (1322, 14846), (2284, 8593), (2644, 7423)]