20181273235

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{221201}}^1$

素因数の和:221534

約数の個数: 16

約数和(自身を含む): 24654290112

約数和(自身を除く): 4473016877

約数列:

[1, 5, 71, 257, 355, 1285, 18247, 91235, 221201, 1106005, 15705271, 56848657, 78526355, 284243285, 4036254647, 20181273235]

約数ペア:

[(1, 20181273235), (5, 4036254647), (71, 284243285), (257, 78526355), (355, 56848657), (1285, 15705271), (18247, 1106005), (91235, 221201)]