19925433

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:160

約数の個数: 60

約数和(自身を含む): 34760880

約数和(自身を除く): 14835447

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 107, 121, 171, 209, 297, 321, 363, 513, 627, 891, 963, 1089, 1177, 1539, 1881, 2033, 2299, 2889, 3267, 3531, 5643, 6099, 6897, 8667, 9801, 10593, 12947, 16929, 18297, 20691, 22363, 31779, 38841, 54891, 62073, 67089, 95337, 116523, 164673, 186219, 201267, 245993, 349569, 603801, 737979, 1048707, 1811403, 2213937, 6641811, 19925433]

約数ペア:

[(1, 19925433), (3, 6641811), (9, 2213937), (11, 1811403), (19, 1048707), (27, 737979), (33, 603801), (57, 349569), (81, 245993), (99, 201267), (107, 186219), (121, 164673), (171, 116523), (209, 95337), (297, 67089), (321, 62073), (363, 54891), (513, 38841), (627, 31779), (891, 22363), (963, 20691), (1089, 18297), (1177, 16929), (1539, 12947), (1881, 10593), (2033, 9801), (2299, 8667), (2889, 6897), (3267, 6099), (3531, 5643)]