1820988004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{7507}}^1$

素因数の和:7708

約数の個数: 48

約数和(自身を含む): 3594830400

約数和(自身を除く): 1773842396

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 149, 298, 407, 596, 814, 1628, 1639, 3278, 5513, 6556, 7507, 11026, 15014, 22052, 30028, 60643, 82577, 121286, 165154, 242572, 277759, 330308, 555518, 1111036, 1118543, 2237086, 3055349, 4474172, 6110698, 12221396, 12303973, 24607946, 41386091, 49215892, 82772182, 165544364, 455247001, 910494002, 1820988004]

約数ペア:

[(1, 1820988004), (2, 910494002), (4, 455247001), (11, 165544364), (22, 82772182), (37, 49215892), (44, 41386091), (74, 24607946), (148, 12303973), (149, 12221396), (298, 6110698), (407, 4474172), (596, 3055349), (814, 2237086), (1628, 1118543), (1639, 1111036), (3278, 555518), (5513, 330308), (6556, 277759), (7507, 242572), (11026, 165154), (15014, 121286), (22052, 82577), (30028, 60643)]