19819488

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{15881}}^1$

素因数の和:15907

約数の個数: 48

約数和(自身を含む): 56031696

約数和(自身を除く): 36212208

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, 15881, 31762, 47643, 63524, 95286, 127048, 190572, 206453, 254096, 381144, 412906, 508192, 619359, 762288, 825812, 1238718, 1524576, 1651624, 2477436, 3303248, 4954872, 6606496, 9909744, 19819488]

約数ペア:

[(1, 19819488), (2, 9909744), (3, 6606496), (4, 4954872), (6, 3303248), (8, 2477436), (12, 1651624), (13, 1524576), (16, 1238718), (24, 825812), (26, 762288), (32, 619359), (39, 508192), (48, 412906), (52, 381144), (78, 254096), (96, 206453), (104, 190572), (156, 127048), (208, 95286), (312, 63524), (416, 47643), (624, 31762), (1248, 15881)]