19287972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:993

約数の個数: 72

約数和(自身を含む): 54250560

約数和(自身を除く): 34962588

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 66, 99, 106, 132, 159, 198, 212, 318, 396, 477, 583, 636, 919, 954, 1166, 1749, 1838, 1908, 2332, 2757, 3498, 3676, 5247, 5514, 6996, 8271, 10109, 10494, 11028, 16542, 20218, 20988, 30327, 33084, 40436, 48707, 60654, 90981, 97414, 121308, 146121, 181962, 194828, 292242, 363924, 438363, 535777, 584484, 876726, 1071554, 1607331, 1753452, 2143108, 3214662, 4821993, 6429324, 9643986, 19287972]

約数ペア:

[(1, 19287972), (2, 9643986), (3, 6429324), (4, 4821993), (6, 3214662), (9, 2143108), (11, 1753452), (12, 1607331), (18, 1071554), (22, 876726), (33, 584484), (36, 535777), (44, 438363), (53, 363924), (66, 292242), (99, 194828), (106, 181962), (132, 146121), (159, 121308), (198, 97414), (212, 90981), (318, 60654), (396, 48707), (477, 40436), (583, 33084), (636, 30327), (919, 20988), (954, 20218), (1166, 16542), (1749, 11028), (1838, 10494), (1908, 10109), (2332, 8271), (2757, 6996), (3498, 5514), (3676, 5247)]