19630313451

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^2\times {\mathrm{271}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 33264538112

約数和(自身を除く): 13634224661

約数列:

[1, 3, 7, 9, 21, 63, 67, 131, 201, 271, 393, 469, 603, 813, 917, 1179, 1407, 1897, 2439, 2751, 4221, 5691, 8253, 8777, 17073, 17161, 18157, 26331, 35501, 51483, 54471, 61439, 78993, 106503, 120127, 127099, 154449, 163413, 184317, 248507, 319509, 360381, 381297, 552951, 745521, 1081143, 1143891, 1149787, 2236563, 2378567, 3449361, 4650631, 7135701, 8048509, 10348083, 13951893, 16649969, 21407103, 24145527, 32554417, 41855679, 49949907, 72436581, 97663251, 149849721, 292989753, 311592277, 934776831, 2181145939, 2804330493, 6543437817, 19630313451]

約数ペア:

[(1, 19630313451), (3, 6543437817), (7, 2804330493), (9, 2181145939), (21, 934776831), (63, 311592277), (67, 292989753), (131, 149849721), (201, 97663251), (271, 72436581), (393, 49949907), (469, 41855679), (603, 32554417), (813, 24145527), (917, 21407103), (1179, 16649969), (1407, 13951893), (1897, 10348083), (2439, 8048509), (2751, 7135701), (4221, 4650631), (5691, 3449361), (8253, 2378567), (8777, 2236563), (17073, 1149787), (17161, 1143891), (18157, 1081143), (26331, 745521), (35501, 552951), (51483, 381297), (54471, 360381), (61439, 319509), (78993, 248507), (106503, 184317), (120127, 163413), (127099, 154449)]