18959499

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1237}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 29741712

約数和(自身を除く): 10782213

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1237, 1703, 3711, 5109, 11133, 15327, 16081, 48243, 144729, 162047, 486141, 1458423, 2106611, 6319833, 18959499]

約数ペア:

[(1, 18959499), (3, 6319833), (9, 2106611), (13, 1458423), (39, 486141), (117, 162047), (131, 144729), (393, 48243), (1179, 16081), (1237, 15327), (1703, 11133), (3711, 5109)]