19879728

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1682

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 38616528

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 44, 46, 48, 66, 69, 88, 92, 132, 138, 176, 184, 253, 264, 276, 368, 506, 528, 552, 759, 1012, 1104, 1518, 1637, 2024, 3036, 3274, 4048, 4911, 6072, 6548, 9822, 12144, 13096, 18007, 19644, 26192, 36014, 37651, 39288, 54021, 72028, 75302, 78576, 108042, 112953, 144056, 150604, 216084, 225906, 288112, 301208, 414161, 432168, 451812, 602416, 828322, 864336, 903624, 1242483, 1656644, 1807248, 2484966, 3313288, 4969932, 6626576, 9939864, 19879728]

約数ペア:

[(1, 19879728), (2, 9939864), (3, 6626576), (4, 4969932), (6, 3313288), (8, 2484966), (11, 1807248), (12, 1656644), (16, 1242483), (22, 903624), (23, 864336), (24, 828322), (33, 602416), (44, 451812), (46, 432168), (48, 414161), (66, 301208), (69, 288112), (88, 225906), (92, 216084), (132, 150604), (138, 144056), (176, 112953), (184, 108042), (253, 78576), (264, 75302), (276, 72028), (368, 54021), (506, 39288), (528, 37651), (552, 36014), (759, 26192), (1012, 19644), (1104, 18007), (1518, 13096), (1637, 12144), (2024, 9822), (3036, 6548), (3274, 6072), (4048, 4911)]