19404528

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 59569104

約数和(自身を除く): 40164576

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 121, 132, 143, 156, 176, 208, 242, 257, 264, 286, 312, 363, 429, 484, 514, 528, 572, 624, 726, 771, 858, 968, 1028, 1144, 1452, 1542, 1573, 1716, 1936, 2056, 2288, 2827, 2904, 3084, 3146, 3341, 3432, 4112, 4719, 5654, 5808, 6168, 6292, 6682, 6864, 8481, 9438, 10023, 11308, 12336, 12584, 13364, 16962, 18876, 20046, 22616, 25168, 26728, 31097, 33924, 36751, 37752, 40092, 45232, 53456, 62194, 67848, 73502, 75504, 80184, 93291, 110253, 124388, 135696, 147004, 160368, 186582, 220506, 248776, 294008, 373164, 404261, 441012, 497552, 588016, 746328, 808522, 882024, 1212783, 1492656, 1617044, 1764048, 2425566, 3234088, 4851132, 6468176, 9702264, 19404528]

約数ペア:

[(1, 19404528), (2, 9702264), (3, 6468176), (4, 4851132), (6, 3234088), (8, 2425566), (11, 1764048), (12, 1617044), (13, 1492656), (16, 1212783), (22, 882024), (24, 808522), (26, 746328), (33, 588016), (39, 497552), (44, 441012), (48, 404261), (52, 373164), (66, 294008), (78, 248776), (88, 220506), (104, 186582), (121, 160368), (132, 147004), (143, 135696), (156, 124388), (176, 110253), (208, 93291), (242, 80184), (257, 75504), (264, 73502), (286, 67848), (312, 62194), (363, 53456), (429, 45232), (484, 40092), (514, 37752), (528, 36751), (572, 33924), (624, 31097), (726, 26728), (771, 25168), (858, 22616), (968, 20046), (1028, 18876), (1144, 16962), (1452, 13364), (1542, 12584), (1573, 12336), (1716, 11308), (1936, 10023), (2056, 9438), (2288, 8481), (2827, 6864), (2904, 6682), (3084, 6292), (3146, 6168), (3341, 5808), (3432, 5654), (4112, 4719)]