19843299

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 34383360

約数和(自身を除く): 14540061

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 443, 553, 567, 711, 1329, 1659, 2133, 3101, 3987, 4977, 6399, 9303, 11961, 14931, 27909, 34997, 35883, 44793, 83727, 104991, 244979, 251181, 314973, 734937, 944919, 2204811, 2834757, 6614433, 19843299]

約数ペア:

[(1, 19843299), (3, 6614433), (7, 2834757), (9, 2204811), (21, 944919), (27, 734937), (63, 314973), (79, 251181), (81, 244979), (189, 104991), (237, 83727), (443, 44793), (553, 35883), (567, 34997), (711, 27909), (1329, 14931), (1659, 11961), (2133, 9303), (3101, 6399), (3987, 4977)]