20131450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21191}}^1$

素因数の和:21222

約数の個数: 24

約数和(自身を含む): 39417120

約数和(自身を除く): 19285670

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21191, 42382, 105955, 211910, 402629, 529775, 805258, 1059550, 2013145, 4026290, 10065725, 20131450]

約数ペア:

[(1, 20131450), (2, 10065725), (5, 4026290), (10, 2013145), (19, 1059550), (25, 805258), (38, 529775), (50, 402629), (95, 211910), (190, 105955), (475, 42382), (950, 21191)]