19043748

素因数分解:

$2^2\times 3^4\times {\mathrm{53}}^1\times {\mathrm{1109}}^1$

素因数の和:1178

約数の個数: 60

約数和(自身を含む): 50769180

約数和(自身を除く): 31725432

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 318, 324, 477, 636, 954, 1109, 1431, 1908, 2218, 2862, 3327, 4293, 4436, 5724, 6654, 8586, 9981, 13308, 17172, 19962, 29943, 39924, 58777, 59886, 89829, 117554, 119772, 176331, 179658, 235108, 352662, 359316, 528993, 705324, 1057986, 1586979, 2115972, 3173958, 4760937, 6347916, 9521874, 19043748]

約数ペア:

[(1, 19043748), (2, 9521874), (3, 6347916), (4, 4760937), (6, 3173958), (9, 2115972), (12, 1586979), (18, 1057986), (27, 705324), (36, 528993), (53, 359316), (54, 352662), (81, 235108), (106, 179658), (108, 176331), (159, 119772), (162, 117554), (212, 89829), (318, 59886), (324, 58777), (477, 39924), (636, 29943), (954, 19962), (1109, 17172), (1431, 13308), (1908, 9981), (2218, 8586), (2862, 6654), (3327, 5724), (4293, 4436)]