19191368

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 45878400

約数和(自身を除く): 26687032

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1061, 1064, 1292, 2122, 2261, 2584, 4244, 4522, 7427, 8488, 9044, 14854, 18037, 18088, 20159, 29708, 36074, 40318, 59416, 72148, 80636, 126259, 141113, 144296, 161272, 252518, 282226, 342703, 505036, 564452, 685406, 1010072, 1128904, 1370812, 2398921, 2741624, 4797842, 9595684, 19191368]

約数ペア:

[(1, 19191368), (2, 9595684), (4, 4797842), (7, 2741624), (8, 2398921), (14, 1370812), (17, 1128904), (19, 1010072), (28, 685406), (34, 564452), (38, 505036), (56, 342703), (68, 282226), (76, 252518), (119, 161272), (133, 144296), (136, 141113), (152, 126259), (238, 80636), (266, 72148), (323, 59416), (476, 40318), (532, 36074), (646, 29708), (952, 20159), (1061, 18088), (1064, 18037), (1292, 14854), (2122, 9044), (2261, 8488), (2584, 7427), (4244, 4522)]