19885536

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6277}}^1$

素因数の和:6304

約数の個数: 72

約数和(自身を含む): 61700184

約数和(自身を除く): 41814648

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6277, 12554, 18831, 25108, 37662, 50216, 56493, 69047, 75324, 100432, 112986, 138094, 150648, 200864, 207141, 225972, 276188, 301296, 414282, 451944, 552376, 602592, 621423, 828564, 903888, 1104752, 1242846, 1657128, 1807776, 2209504, 2485692, 3314256, 4971384, 6628512, 9942768, 19885536]

約数ペア:

[(1, 19885536), (2, 9942768), (3, 6628512), (4, 4971384), (6, 3314256), (8, 2485692), (9, 2209504), (11, 1807776), (12, 1657128), (16, 1242846), (18, 1104752), (22, 903888), (24, 828564), (32, 621423), (33, 602592), (36, 552376), (44, 451944), (48, 414282), (66, 301296), (72, 276188), (88, 225972), (96, 207141), (99, 200864), (132, 150648), (144, 138094), (176, 112986), (198, 100432), (264, 75324), (288, 69047), (352, 56493), (396, 50216), (528, 37662), (792, 25108), (1056, 18831), (1584, 12554), (3168, 6277)]