19127988

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{1789}}^1$

素因数の和:1819

約数の個数: 72

約数和(自身を含む): 54731040

約数和(自身を除く): 35603052

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 243, 297, 324, 396, 486, 594, 891, 972, 1188, 1782, 1789, 2673, 3564, 3578, 5346, 5367, 7156, 10692, 10734, 16101, 19679, 21468, 32202, 39358, 48303, 59037, 64404, 78716, 96606, 118074, 144909, 177111, 193212, 236148, 289818, 354222, 434727, 531333, 579636, 708444, 869454, 1062666, 1593999, 1738908, 2125332, 3187998, 4781997, 6375996, 9563994, 19127988]

約数ペア:

[(1, 19127988), (2, 9563994), (3, 6375996), (4, 4781997), (6, 3187998), (9, 2125332), (11, 1738908), (12, 1593999), (18, 1062666), (22, 869454), (27, 708444), (33, 579636), (36, 531333), (44, 434727), (54, 354222), (66, 289818), (81, 236148), (99, 193212), (108, 177111), (132, 144909), (162, 118074), (198, 96606), (243, 78716), (297, 64404), (324, 59037), (396, 48303), (486, 39358), (594, 32202), (891, 21468), (972, 19679), (1188, 16101), (1782, 10734), (1789, 10692), (2673, 7156), (3564, 5367), (3578, 5346)]