19685490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:89

約数の個数: 128

約数和(自身を含む): 56920320

約数和(自身を除く): 37234830

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 29, 30, 33, 34, 51, 55, 58, 66, 85, 87, 102, 110, 121, 145, 165, 170, 174, 187, 242, 255, 290, 319, 330, 363, 374, 435, 493, 510, 561, 605, 638, 726, 870, 935, 957, 986, 1122, 1210, 1331, 1479, 1595, 1815, 1870, 1914, 2057, 2465, 2662, 2805, 2958, 3190, 3509, 3630, 3993, 4114, 4785, 4930, 5423, 5610, 6171, 6655, 7018, 7395, 7986, 9570, 10285, 10527, 10846, 12342, 13310, 14790, 16269, 17545, 19965, 20570, 21054, 22627, 27115, 30855, 32538, 35090, 38599, 39930, 45254, 52635, 54230, 59653, 61710, 67881, 77198, 81345, 105270, 113135, 115797, 119306, 135762, 162690, 178959, 192995, 226270, 231594, 298265, 339405, 357918, 385990, 578985, 596530, 656183, 678810, 894795, 1157970, 1312366, 1789590, 1968549, 3280915, 3937098, 6561830, 9842745, 19685490]

約数ペア:

[(1, 19685490), (2, 9842745), (3, 6561830), (5, 3937098), (6, 3280915), (10, 1968549), (11, 1789590), (15, 1312366), (17, 1157970), (22, 894795), (29, 678810), (30, 656183), (33, 596530), (34, 578985), (51, 385990), (55, 357918), (58, 339405), (66, 298265), (85, 231594), (87, 226270), (102, 192995), (110, 178959), (121, 162690), (145, 135762), (165, 119306), (170, 115797), (174, 113135), (187, 105270), (242, 81345), (255, 77198), (290, 67881), (319, 61710), (330, 59653), (363, 54230), (374, 52635), (435, 45254), (493, 39930), (510, 38599), (561, 35090), (605, 32538), (638, 30855), (726, 27115), (870, 22627), (935, 21054), (957, 20570), (986, 19965), (1122, 17545), (1210, 16269), (1331, 14790), (1479, 13310), (1595, 12342), (1815, 10846), (1870, 10527), (1914, 10285), (2057, 9570), (2465, 7986), (2662, 7395), (2805, 7018), (2958, 6655), (3190, 6171), (3509, 5610), (3630, 5423), (3993, 4930), (4114, 4785)]