40641418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{4261}}^1$

素因数の和:4533

約数の個数: 16

約数和(自身を含む): 64441440

約数和(自身を除く): 23800022

約数列:

[1, 2, 19, 38, 251, 502, 4261, 4769, 8522, 9538, 80959, 161918, 1069511, 2139022, 20320709, 40641418]

約数ペア:

[(1, 40641418), (2, 20320709), (19, 2139022), (38, 1069511), (251, 161918), (502, 80959), (4261, 9538), (4769, 8522)]