19910352

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5387}}^1$

素因数の和:5416

約数の個数: 80

約数和(自身を含む): 64138752

約数和(自身を除く): 44228400

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 5387, 10774, 16161, 21548, 32322, 37709, 43096, 59257, 64644, 75418, 86192, 113127, 118514, 129288, 150836, 177771, 226254, 237028, 258576, 301672, 355542, 414799, 452508, 474056, 603344, 711084, 829598, 905016, 948112, 1244397, 1422168, 1659196, 1810032, 2488794, 2844336, 3318392, 4977588, 6636784, 9955176, 19910352]

約数ペア:

[(1, 19910352), (2, 9955176), (3, 6636784), (4, 4977588), (6, 3318392), (7, 2844336), (8, 2488794), (11, 1810032), (12, 1659196), (14, 1422168), (16, 1244397), (21, 948112), (22, 905016), (24, 829598), (28, 711084), (33, 603344), (42, 474056), (44, 452508), (48, 414799), (56, 355542), (66, 301672), (77, 258576), (84, 237028), (88, 226254), (112, 177771), (132, 150836), (154, 129288), (168, 118514), (176, 113127), (231, 86192), (264, 75418), (308, 64644), (336, 59257), (462, 43096), (528, 37709), (616, 32322), (924, 21548), (1232, 16161), (1848, 10774), (3696, 5387)]