18821704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11257}}^1$

素因数の和:11293

約数の個数: 32

約数和(自身を含む): 40528800

約数和(自身を除く): 21707096

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11257, 22514, 45028, 90056, 123827, 213883, 247654, 427766, 495308, 855532, 990616, 1711064, 2352713, 4705426, 9410852, 18821704]

約数ペア:

[(1, 18821704), (2, 9410852), (4, 4705426), (8, 2352713), (11, 1711064), (19, 990616), (22, 855532), (38, 495308), (44, 427766), (76, 247654), (88, 213883), (152, 123827), (209, 90056), (418, 45028), (836, 22514), (1672, 11257)]