18064732

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 39299904

約数和(自身を除く): 21235172

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 49, 53, 74, 94, 98, 106, 148, 188, 196, 212, 259, 329, 371, 518, 658, 742, 1036, 1316, 1484, 1739, 1813, 1961, 2303, 2491, 2597, 3478, 3626, 3922, 4606, 4982, 5194, 6956, 7252, 7844, 9212, 9964, 10388, 12173, 13727, 17437, 24346, 27454, 34874, 48692, 54908, 69748, 85211, 92167, 96089, 122059, 170422, 184334, 192178, 244118, 340844, 368668, 384356, 488236, 645169, 1290338, 2580676, 4516183, 9032366, 18064732]

約数ペア:

[(1, 18064732), (2, 9032366), (4, 4516183), (7, 2580676), (14, 1290338), (28, 645169), (37, 488236), (47, 384356), (49, 368668), (53, 340844), (74, 244118), (94, 192178), (98, 184334), (106, 170422), (148, 122059), (188, 96089), (196, 92167), (212, 85211), (259, 69748), (329, 54908), (371, 48692), (518, 34874), (658, 27454), (742, 24346), (1036, 17437), (1316, 13727), (1484, 12173), (1739, 10388), (1813, 9964), (1961, 9212), (2303, 7844), (2491, 7252), (2597, 6956), (3478, 5194), (3626, 4982), (3922, 4606)]