2018012745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1\times {\mathrm{997}}^1$

素因数の和:1570

約数の個数: 64

約数和(自身を含む): 3800894976

約数和(自身を除く): 1782882231

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 521, 555, 777, 997, 1295, 1563, 2605, 2991, 3647, 3885, 4985, 6979, 7815, 10941, 14955, 18235, 19277, 20937, 34895, 36889, 54705, 57831, 96385, 104685, 110667, 134939, 184445, 258223, 289155, 404817, 519437, 553335, 674695, 774669, 1291115, 1558311, 2024085, 2597185, 3636059, 3873345, 7791555, 10908177, 18180295, 19219169, 54540885, 57657507, 96095845, 134534183, 288287535, 403602549, 672670915, 2018012745]

約数ペア:

[(1, 2018012745), (3, 672670915), (5, 403602549), (7, 288287535), (15, 134534183), (21, 96095845), (35, 57657507), (37, 54540885), (105, 19219169), (111, 18180295), (185, 10908177), (259, 7791555), (521, 3873345), (555, 3636059), (777, 2597185), (997, 2024085), (1295, 1558311), (1563, 1291115), (2605, 774669), (2991, 674695), (3647, 553335), (3885, 519437), (4985, 404817), (6979, 289155), (7815, 258223), (10941, 184445), (14955, 134939), (18235, 110667), (19277, 104685), (20937, 96385), (34895, 57831), (36889, 54705)]