19465740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2207}}^1$

素因数の和:2236

約数の個数: 108

約数和(自身を含む): 68717376

約数和(自身を除く): 49251636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2207, 2940, 4410, 4414, 6621, 8820, 8828, 11035, 13242, 15449, 19863, 22070, 26484, 30898, 33105, 39726, 44140, 46347, 61796, 66210, 77245, 79452, 92694, 99315, 108143, 132420, 139041, 154490, 185388, 198630, 216286, 231735, 278082, 308980, 324429, 397260, 432572, 463470, 540715, 556164, 648858, 695205, 926940, 973287, 1081430, 1297716, 1390410, 1622145, 1946574, 2162860, 2780820, 3244290, 3893148, 4866435, 6488580, 9732870, 19465740]

約数ペア:

[(1, 19465740), (2, 9732870), (3, 6488580), (4, 4866435), (5, 3893148), (6, 3244290), (7, 2780820), (9, 2162860), (10, 1946574), (12, 1622145), (14, 1390410), (15, 1297716), (18, 1081430), (20, 973287), (21, 926940), (28, 695205), (30, 648858), (35, 556164), (36, 540715), (42, 463470), (45, 432572), (49, 397260), (60, 324429), (63, 308980), (70, 278082), (84, 231735), (90, 216286), (98, 198630), (105, 185388), (126, 154490), (140, 139041), (147, 132420), (180, 108143), (196, 99315), (210, 92694), (245, 79452), (252, 77245), (294, 66210), (315, 61796), (420, 46347), (441, 44140), (490, 39726), (588, 33105), (630, 30898), (735, 26484), (882, 22070), (980, 19863), (1260, 15449), (1470, 13242), (1764, 11035), (2205, 8828), (2207, 8820), (2940, 6621), (4410, 4414)]