18289330865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1\times {\mathrm{6871}}^1$

素因数の和:8241

約数の個数: 32

約数和(自身を含む): 24419899392

約数和(自身を除く): 6130568527

約数列:

[1, 5, 13, 31, 65, 155, 403, 1321, 2015, 6605, 6871, 17173, 34355, 40951, 85865, 89323, 204755, 213001, 446615, 532363, 1065005, 2661815, 2769013, 9076591, 13845065, 45382955, 117995683, 281374321, 589978415, 1406871605, 3657866173, 18289330865]

約数ペア:

[(1, 18289330865), (5, 3657866173), (13, 1406871605), (31, 589978415), (65, 281374321), (155, 117995683), (403, 45382955), (1321, 13845065), (2015, 9076591), (6605, 2769013), (6871, 2661815), (17173, 1065005), (34355, 532363), (40951, 446615), (85865, 213001), (89323, 204755)]