19406268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1453}}^1$

素因数の和:1523

約数の個数: 72

約数和(自身を含む): 57159648

約数和(自身を除く): 37753380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1453, 1484, 1908, 2226, 2906, 3339, 4359, 4452, 5812, 6678, 8718, 10171, 13077, 13356, 17436, 20342, 26154, 30513, 40684, 52308, 61026, 77009, 91539, 122052, 154018, 183078, 231027, 308036, 366156, 462054, 539063, 693081, 924108, 1078126, 1386162, 1617189, 2156252, 2772324, 3234378, 4851567, 6468756, 9703134, 19406268]

約数ペア:

[(1, 19406268), (2, 9703134), (3, 6468756), (4, 4851567), (6, 3234378), (7, 2772324), (9, 2156252), (12, 1617189), (14, 1386162), (18, 1078126), (21, 924108), (28, 693081), (36, 539063), (42, 462054), (53, 366156), (63, 308036), (84, 231027), (106, 183078), (126, 154018), (159, 122052), (212, 91539), (252, 77009), (318, 61026), (371, 52308), (477, 40684), (636, 30513), (742, 26154), (954, 20342), (1113, 17436), (1453, 13356), (1484, 13077), (1908, 10171), (2226, 8718), (2906, 6678), (3339, 5812), (4359, 4452)]