2018015992

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{197}}^1\times {\mathrm{3547}}^1$

素因数の和:3788

約数の個数: 48

約数和(自身を含む): 4014810360

約数和(自身を除く): 1996794368

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 197, 361, 394, 722, 788, 1444, 1576, 2888, 3547, 3743, 7094, 7486, 14188, 14972, 28376, 29944, 67393, 71117, 134786, 142234, 269572, 284468, 539144, 568936, 698759, 1280467, 1397518, 2560934, 2795036, 5121868, 5590072, 10243736, 13276421, 26552842, 53105684, 106211368, 252251999, 504503998, 1009007996, 2018015992]

約数ペア:

[(1, 2018015992), (2, 1009007996), (4, 504503998), (8, 252251999), (19, 106211368), (38, 53105684), (76, 26552842), (152, 13276421), (197, 10243736), (361, 5590072), (394, 5121868), (722, 2795036), (788, 2560934), (1444, 1397518), (1576, 1280467), (2888, 698759), (3547, 568936), (3743, 539144), (7094, 284468), (7486, 269572), (14188, 142234), (14972, 134786), (28376, 71117), (29944, 67393)]