19969752

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 55324800

約数和(自身を除く): 35355048

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 67, 88, 132, 134, 201, 264, 268, 402, 536, 737, 804, 1129, 1474, 1608, 2211, 2258, 2948, 3387, 4422, 4516, 5896, 6774, 8844, 9032, 12419, 13548, 17688, 24838, 27096, 37257, 49676, 74514, 75643, 99352, 149028, 151286, 226929, 298056, 302572, 453858, 605144, 832073, 907716, 1664146, 1815432, 2496219, 3328292, 4992438, 6656584, 9984876, 19969752]

約数ペア:

[(1, 19969752), (2, 9984876), (3, 6656584), (4, 4992438), (6, 3328292), (8, 2496219), (11, 1815432), (12, 1664146), (22, 907716), (24, 832073), (33, 605144), (44, 453858), (66, 302572), (67, 298056), (88, 226929), (132, 151286), (134, 149028), (201, 99352), (264, 75643), (268, 74514), (402, 49676), (536, 37257), (737, 27096), (804, 24838), (1129, 17688), (1474, 13548), (1608, 12419), (2211, 9032), (2258, 8844), (2948, 6774), (3387, 5896), (4422, 4516)]