18974046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 128

約数和(自身を含む): 51609600

約数和(自身を除く): 32635554

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 31, 38, 39, 42, 57, 59, 62, 78, 91, 93, 114, 118, 133, 177, 182, 186, 217, 247, 266, 273, 354, 399, 403, 413, 434, 494, 546, 589, 651, 741, 767, 798, 806, 826, 1121, 1178, 1209, 1239, 1302, 1482, 1534, 1729, 1767, 1829, 2242, 2301, 2418, 2478, 2821, 3363, 3458, 3534, 3658, 4123, 4602, 5187, 5369, 5487, 5642, 6726, 7657, 7847, 8246, 8463, 10374, 10738, 10974, 12369, 12803, 14573, 15314, 15694, 16107, 16926, 22971, 23541, 23777, 24738, 25606, 29146, 32214, 34751, 38409, 43719, 45942, 47082, 47554, 53599, 69502, 71331, 76818, 87438, 102011, 104253, 107198, 142662, 160797, 166439, 204022, 208506, 243257, 306033, 321594, 332878, 451763, 486514, 499317, 612066, 729771, 903526, 998634, 1355289, 1459542, 2710578, 3162341, 6324682, 9487023, 18974046]

約数ペア:

[(1, 18974046), (2, 9487023), (3, 6324682), (6, 3162341), (7, 2710578), (13, 1459542), (14, 1355289), (19, 998634), (21, 903526), (26, 729771), (31, 612066), (38, 499317), (39, 486514), (42, 451763), (57, 332878), (59, 321594), (62, 306033), (78, 243257), (91, 208506), (93, 204022), (114, 166439), (118, 160797), (133, 142662), (177, 107198), (182, 104253), (186, 102011), (217, 87438), (247, 76818), (266, 71331), (273, 69502), (354, 53599), (399, 47554), (403, 47082), (413, 45942), (434, 43719), (494, 38409), (546, 34751), (589, 32214), (651, 29146), (741, 25606), (767, 24738), (798, 23777), (806, 23541), (826, 22971), (1121, 16926), (1178, 16107), (1209, 15694), (1239, 15314), (1302, 14573), (1482, 12803), (1534, 12369), (1729, 10974), (1767, 10738), (1829, 10374), (2242, 8463), (2301, 8246), (2418, 7847), (2478, 7657), (2821, 6726), (3363, 5642), (3458, 5487), (3534, 5369), (3658, 5187), (4123, 4602)]