19328556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5387}}^1$

素因数の和:5430

約数の個数: 48

約数和(自身を含む): 50690304

約数和(自身を除く): 31361748

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5387, 10774, 16161, 21548, 32322, 64644, 70031, 123901, 140062, 210093, 247802, 280124, 371703, 420186, 495604, 743406, 840372, 1486812, 1610713, 3221426, 4832139, 6442852, 9664278, 19328556]

約数ペア:

[(1, 19328556), (2, 9664278), (3, 6442852), (4, 4832139), (6, 3221426), (12, 1610713), (13, 1486812), (23, 840372), (26, 743406), (39, 495604), (46, 420186), (52, 371703), (69, 280124), (78, 247802), (92, 210093), (138, 140062), (156, 123901), (276, 70031), (299, 64644), (598, 32322), (897, 21548), (1196, 16161), (1794, 10774), (3588, 5387)]