18379998

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 50232000

約数和(自身を除く): 31852002

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 229, 234, 273, 294, 343, 441, 458, 546, 637, 686, 687, 819, 882, 1029, 1274, 1374, 1603, 1638, 1911, 2058, 2061, 2977, 3087, 3206, 3822, 4122, 4459, 4809, 5733, 5954, 6174, 8918, 8931, 9618, 11221, 11466, 13377, 14427, 17862, 20839, 22442, 26754, 26793, 28854, 33663, 40131, 41678, 53586, 62517, 67326, 78547, 80262, 100989, 125034, 145873, 157094, 187551, 201978, 235641, 291746, 375102, 437619, 471282, 706923, 875238, 1021111, 1312857, 1413846, 2042222, 2625714, 3063333, 6126666, 9189999, 18379998]

約数ペア:

[(1, 18379998), (2, 9189999), (3, 6126666), (6, 3063333), (7, 2625714), (9, 2042222), (13, 1413846), (14, 1312857), (18, 1021111), (21, 875238), (26, 706923), (39, 471282), (42, 437619), (49, 375102), (63, 291746), (78, 235641), (91, 201978), (98, 187551), (117, 157094), (126, 145873), (147, 125034), (182, 100989), (229, 80262), (234, 78547), (273, 67326), (294, 62517), (343, 53586), (441, 41678), (458, 40131), (546, 33663), (637, 28854), (686, 26793), (687, 26754), (819, 22442), (882, 20839), (1029, 17862), (1274, 14427), (1374, 13377), (1603, 11466), (1638, 11221), (1911, 9618), (2058, 8931), (2061, 8918), (2977, 6174), (3087, 5954), (3206, 5733), (3822, 4809), (4122, 4459)]