19078052

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 42134400

約数和(自身を除く): 23056348

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 49, 76, 94, 98, 109, 133, 188, 196, 218, 266, 329, 436, 532, 658, 763, 893, 931, 1316, 1526, 1786, 1862, 2071, 2303, 3052, 3572, 3724, 4142, 4606, 5123, 5341, 6251, 8284, 9212, 10246, 10682, 12502, 14497, 20492, 21364, 25004, 28994, 35861, 43757, 57988, 71722, 87514, 97337, 101479, 143444, 175028, 194674, 202958, 251027, 389348, 405916, 502054, 681359, 1004108, 1362718, 2725436, 4769513, 9539026, 19078052]

約数ペア:

[(1, 19078052), (2, 9539026), (4, 4769513), (7, 2725436), (14, 1362718), (19, 1004108), (28, 681359), (38, 502054), (47, 405916), (49, 389348), (76, 251027), (94, 202958), (98, 194674), (109, 175028), (133, 143444), (188, 101479), (196, 97337), (218, 87514), (266, 71722), (329, 57988), (436, 43757), (532, 35861), (658, 28994), (763, 25004), (893, 21364), (931, 20492), (1316, 14497), (1526, 12502), (1786, 10682), (1862, 10246), (2071, 9212), (2303, 8284), (3052, 6251), (3572, 5341), (3724, 5123), (4142, 4606)]