18903389674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{6211}}^1$

素因数の和:6407

約数の個数: 64

約数和(自身を含む): 32999137920

約数和(自身を除く): 14095748246

約数列:

[1, 2, 13, 19, 26, 38, 61, 101, 122, 202, 247, 494, 793, 1159, 1313, 1586, 1919, 2318, 2626, 3838, 6161, 6211, 12322, 12422, 15067, 24947, 30134, 49894, 80093, 80743, 117059, 118009, 160186, 161486, 234118, 236018, 378871, 627311, 757742, 1254622, 1521767, 1534117, 3043534, 3068234, 4925323, 7198549, 8155043, 9850646, 11918909, 14397098, 16310086, 23837818, 38265971, 76531942, 93581137, 154945817, 187162274, 309891634, 497457623, 727053449, 994915246, 1454106898, 9451694837, 18903389674]

約数ペア:

[(1, 18903389674), (2, 9451694837), (13, 1454106898), (19, 994915246), (26, 727053449), (38, 497457623), (61, 309891634), (101, 187162274), (122, 154945817), (202, 93581137), (247, 76531942), (494, 38265971), (793, 23837818), (1159, 16310086), (1313, 14397098), (1586, 11918909), (1919, 9850646), (2318, 8155043), (2626, 7198549), (3838, 4925323), (6161, 3068234), (6211, 3043534), (12322, 1534117), (12422, 1521767), (15067, 1254622), (24947, 757742), (30134, 627311), (49894, 378871), (80093, 236018), (80743, 234118), (117059, 161486), (118009, 160186)]