19740552

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 55514880

約数和(自身を除く): 35774328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 157, 169, 186, 248, 312, 314, 338, 372, 403, 471, 507, 628, 676, 744, 806, 942, 1014, 1209, 1256, 1352, 1612, 1884, 2028, 2041, 2418, 3224, 3768, 4056, 4082, 4836, 4867, 5239, 6123, 8164, 9672, 9734, 10478, 12246, 14601, 15717, 16328, 19468, 20956, 24492, 26533, 29202, 31434, 38936, 41912, 48984, 53066, 58404, 62868, 63271, 79599, 106132, 116808, 125736, 126542, 159198, 189813, 212264, 253084, 318396, 379626, 506168, 636792, 759252, 822523, 1518504, 1645046, 2467569, 3290092, 4935138, 6580184, 9870276, 19740552]

約数ペア:

[(1, 19740552), (2, 9870276), (3, 6580184), (4, 4935138), (6, 3290092), (8, 2467569), (12, 1645046), (13, 1518504), (24, 822523), (26, 759252), (31, 636792), (39, 506168), (52, 379626), (62, 318396), (78, 253084), (93, 212264), (104, 189813), (124, 159198), (156, 126542), (157, 125736), (169, 116808), (186, 106132), (248, 79599), (312, 63271), (314, 62868), (338, 58404), (372, 53066), (403, 48984), (471, 41912), (507, 38936), (628, 31434), (676, 29202), (744, 26533), (806, 24492), (942, 20956), (1014, 19468), (1209, 16328), (1256, 15717), (1352, 14601), (1612, 12246), (1884, 10478), (2028, 9734), (2041, 9672), (2418, 8164), (3224, 6123), (3768, 5239), (4056, 4867), (4082, 4836)]