18431672

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 25632328

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, 1019, 1064, 1292, 2038, 2261, 2584, 4076, 4522, 7133, 8152, 9044, 14266, 17323, 18088, 19361, 28532, 34646, 38722, 57064, 69292, 77444, 121261, 135527, 138584, 154888, 242522, 271054, 329137, 485044, 542108, 658274, 970088, 1084216, 1316548, 2303959, 2633096, 4607918, 9215836, 18431672]

約数ペア:

[(1, 18431672), (2, 9215836), (4, 4607918), (7, 2633096), (8, 2303959), (14, 1316548), (17, 1084216), (19, 970088), (28, 658274), (34, 542108), (38, 485044), (56, 329137), (68, 271054), (76, 242522), (119, 154888), (133, 138584), (136, 135527), (152, 121261), (238, 77444), (266, 69292), (323, 57064), (476, 38722), (532, 34646), (646, 28532), (952, 19361), (1019, 18088), (1064, 17323), (1292, 14266), (2038, 9044), (2261, 8152), (2584, 7133), (4076, 4522)]