19811351042

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1\times {\mathrm{1129}}^1$

素因数の和:1567

約数の個数: 64

約数和(自身を含む): 35244718080

約数和(自身を除く): 15433367038

約数列:

[1, 2, 7, 14, 43, 86, 103, 206, 283, 301, 566, 602, 721, 1129, 1442, 1981, 2258, 3962, 4429, 7903, 8858, 12169, 15806, 24338, 29149, 31003, 48547, 58298, 62006, 85183, 97094, 116287, 170366, 204043, 232574, 319507, 339829, 408086, 639014, 679658, 814009, 1253407, 1628018, 2236549, 2506814, 4473098, 5000341, 8773849, 10000682, 13738801, 17547698, 27477602, 32909221, 35002387, 65818442, 70004774, 96171607, 192343214, 230364547, 460729094, 1415096503, 2830193006, 9905675521, 19811351042]

約数ペア:

[(1, 19811351042), (2, 9905675521), (7, 2830193006), (14, 1415096503), (43, 460729094), (86, 230364547), (103, 192343214), (206, 96171607), (283, 70004774), (301, 65818442), (566, 35002387), (602, 32909221), (721, 27477602), (1129, 17547698), (1442, 13738801), (1981, 10000682), (2258, 8773849), (3962, 5000341), (4429, 4473098), (7903, 2506814), (8858, 2236549), (12169, 1628018), (15806, 1253407), (24338, 814009), (29149, 679658), (31003, 639014), (48547, 408086), (58298, 339829), (62006, 319507), (85183, 232574), (97094, 204043), (116287, 170366)]