19439976

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 36547224

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 29, 31, 34, 51, 53, 58, 62, 68, 87, 93, 102, 106, 116, 124, 136, 159, 174, 186, 204, 212, 232, 248, 318, 348, 372, 408, 424, 493, 527, 636, 696, 744, 899, 901, 986, 1054, 1272, 1479, 1537, 1581, 1643, 1798, 1802, 1972, 2108, 2697, 2703, 2958, 3074, 3162, 3286, 3596, 3604, 3944, 4216, 4611, 4929, 5394, 5406, 5916, 6148, 6324, 6572, 7192, 7208, 9222, 9858, 10788, 10812, 11832, 12296, 12648, 13144, 15283, 18444, 19716, 21576, 21624, 26129, 27931, 30566, 36888, 39432, 45849, 47647, 52258, 55862, 61132, 78387, 83793, 91698, 95294, 104516, 111724, 122264, 142941, 156774, 167586, 183396, 190588, 209032, 223448, 285882, 313548, 335172, 366792, 381176, 571764, 627096, 670344, 809999, 1143528, 1619998, 2429997, 3239996, 4859994, 6479992, 9719988, 19439976]

約数ペア:

[(1, 19439976), (2, 9719988), (3, 6479992), (4, 4859994), (6, 3239996), (8, 2429997), (12, 1619998), (17, 1143528), (24, 809999), (29, 670344), (31, 627096), (34, 571764), (51, 381176), (53, 366792), (58, 335172), (62, 313548), (68, 285882), (87, 223448), (93, 209032), (102, 190588), (106, 183396), (116, 167586), (124, 156774), (136, 142941), (159, 122264), (174, 111724), (186, 104516), (204, 95294), (212, 91698), (232, 83793), (248, 78387), (318, 61132), (348, 55862), (372, 52258), (408, 47647), (424, 45849), (493, 39432), (527, 36888), (636, 30566), (696, 27931), (744, 26129), (899, 21624), (901, 21576), (986, 19716), (1054, 18444), (1272, 15283), (1479, 13144), (1537, 12648), (1581, 12296), (1643, 11832), (1798, 10812), (1802, 10788), (1972, 9858), (2108, 9222), (2697, 7208), (2703, 7192), (2958, 6572), (3074, 6324), (3162, 6148), (3286, 5916), (3596, 5406), (3604, 5394), (3944, 4929), (4216, 4611)]