19418364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 56504448

約数和(自身を除く): 37086084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 307, 502, 614, 753, 921, 1004, 1228, 1506, 1757, 1842, 2149, 2259, 2763, 3012, 3514, 3684, 4298, 4518, 5271, 5526, 6447, 7028, 8596, 9036, 10542, 11052, 12894, 15813, 19341, 21084, 25788, 31626, 38682, 63252, 77057, 77364, 154114, 231171, 308228, 462342, 539399, 693513, 924684, 1078798, 1387026, 1618197, 2157596, 2774052, 3236394, 4854591, 6472788, 9709182, 19418364]

約数ペア:

[(1, 19418364), (2, 9709182), (3, 6472788), (4, 4854591), (6, 3236394), (7, 2774052), (9, 2157596), (12, 1618197), (14, 1387026), (18, 1078798), (21, 924684), (28, 693513), (36, 539399), (42, 462342), (63, 308228), (84, 231171), (126, 154114), (251, 77364), (252, 77057), (307, 63252), (502, 38682), (614, 31626), (753, 25788), (921, 21084), (1004, 19341), (1228, 15813), (1506, 12894), (1757, 11052), (1842, 10542), (2149, 9036), (2259, 8596), (2763, 7028), (3012, 6447), (3514, 5526), (3684, 5271), (4298, 4518)]