19906272864

素因数分解:

$2^5\times 3^2\times {\mathrm{227}}^1\times {\mathrm{304489}}^1$

素因数の和:304732

約数の個数: 72

約数和(自身を含む): 56858026680

約数和(自身を除く): 36951753816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 227, 288, 454, 681, 908, 1362, 1816, 2043, 2724, 3632, 4086, 5448, 7264, 8172, 10896, 16344, 21792, 32688, 65376, 304489, 608978, 913467, 1217956, 1826934, 2435912, 2740401, 3653868, 4871824, 5480802, 7307736, 9743648, 10961604, 14615472, 21923208, 29230944, 43846416, 69119003, 87692832, 138238006, 207357009, 276476012, 414714018, 552952024, 622071027, 829428036, 1105904048, 1244142054, 1658856072, 2211808096, 2488284108, 3317712144, 4976568216, 6635424288, 9953136432, 19906272864]

約数ペア:

[(1, 19906272864), (2, 9953136432), (3, 6635424288), (4, 4976568216), (6, 3317712144), (8, 2488284108), (9, 2211808096), (12, 1658856072), (16, 1244142054), (18, 1105904048), (24, 829428036), (32, 622071027), (36, 552952024), (48, 414714018), (72, 276476012), (96, 207357009), (144, 138238006), (227, 87692832), (288, 69119003), (454, 43846416), (681, 29230944), (908, 21923208), (1362, 14615472), (1816, 10961604), (2043, 9743648), (2724, 7307736), (3632, 5480802), (4086, 4871824), (5448, 3653868), (7264, 2740401), (8172, 2435912), (10896, 1826934), (16344, 1217956), (21792, 913467), (32688, 608978), (65376, 304489)]