19889376

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{15937}}^1$

素因数の和:15963

約数の個数: 48

約数和(自身を含む): 56229264

約数和(自身を除く): 36339888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 15937, 31874, 47811, 63748, 95622, 127496, 191244, 207181, 254992, 382488, 414362, 509984, 621543, 764976, 828724, 1243086, 1529952, 1657448, 2486172, 3314896, 4972344, 6629792, 9944688, 19889376]

約数ペア:

[(1, 19889376), (2, 9944688), (3, 6629792), (4, 4972344), (6, 3314896), (8, 2486172), (12, 1657448), (13, 1529952), (16, 1243086), (24, 828724), (26, 764976), (32, 621543), (39, 509984), (48, 414362), (52, 382488), (78, 254992), (96, 207181), (104, 191244), (156, 127496), (208, 95622), (312, 63748), (416, 47811), (624, 31874), (1248, 15937)]