19247220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{109}}^2$

素因数の和:239

約数の個数: 90

約数和(自身を含む): 60938262

約数和(自身を除く): 41691042

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 109, 135, 162, 180, 218, 270, 324, 327, 405, 436, 540, 545, 654, 810, 981, 1090, 1308, 1620, 1635, 1962, 2180, 2943, 3270, 3924, 4905, 5886, 6540, 8829, 9810, 11772, 11881, 14715, 17658, 19620, 23762, 29430, 35316, 35643, 44145, 47524, 58860, 59405, 71286, 88290, 106929, 118810, 142572, 176580, 178215, 213858, 237620, 320787, 356430, 427716, 534645, 641574, 712860, 962361, 1069290, 1283148, 1603935, 1924722, 2138580, 3207870, 3849444, 4811805, 6415740, 9623610, 19247220]

約数ペア:

[(1, 19247220), (2, 9623610), (3, 6415740), (4, 4811805), (5, 3849444), (6, 3207870), (9, 2138580), (10, 1924722), (12, 1603935), (15, 1283148), (18, 1069290), (20, 962361), (27, 712860), (30, 641574), (36, 534645), (45, 427716), (54, 356430), (60, 320787), (81, 237620), (90, 213858), (108, 178215), (109, 176580), (135, 142572), (162, 118810), (180, 106929), (218, 88290), (270, 71286), (324, 59405), (327, 58860), (405, 47524), (436, 44145), (540, 35643), (545, 35316), (654, 29430), (810, 23762), (981, 19620), (1090, 17658), (1308, 14715), (1620, 11881), (1635, 11772), (1962, 9810), (2180, 8829), (2943, 6540), (3270, 5886), (3924, 4905)]