19398904

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 46539360

約数和(自身を除く): 27140456

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 41, 49, 56, 68, 71, 82, 98, 119, 136, 142, 164, 196, 238, 284, 287, 328, 392, 476, 497, 568, 574, 697, 833, 952, 994, 1148, 1207, 1394, 1666, 1988, 2009, 2296, 2414, 2788, 2911, 3332, 3479, 3976, 4018, 4828, 4879, 5576, 5822, 6664, 6958, 8036, 8449, 9656, 9758, 11644, 13916, 16072, 16898, 19516, 20377, 23288, 27832, 33796, 34153, 39032, 40754, 49487, 59143, 67592, 68306, 81508, 98974, 118286, 136612, 142639, 163016, 197948, 236572, 273224, 285278, 346409, 395896, 473144, 570556, 692818, 1141112, 1385636, 2424863, 2771272, 4849726, 9699452, 19398904]

約数ペア:

[(1, 19398904), (2, 9699452), (4, 4849726), (7, 2771272), (8, 2424863), (14, 1385636), (17, 1141112), (28, 692818), (34, 570556), (41, 473144), (49, 395896), (56, 346409), (68, 285278), (71, 273224), (82, 236572), (98, 197948), (119, 163016), (136, 142639), (142, 136612), (164, 118286), (196, 98974), (238, 81508), (284, 68306), (287, 67592), (328, 59143), (392, 49487), (476, 40754), (497, 39032), (568, 34153), (574, 33796), (697, 27832), (833, 23288), (952, 20377), (994, 19516), (1148, 16898), (1207, 16072), (1394, 13916), (1666, 11644), (1988, 9758), (2009, 9656), (2296, 8449), (2414, 8036), (2788, 6958), (2911, 6664), (3332, 5822), (3479, 5576), (3976, 4879), (4018, 4828)]