18712392

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 48833280

約数和(自身を除く): 30120888

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 53, 94, 106, 141, 159, 188, 212, 282, 313, 318, 376, 424, 564, 626, 636, 939, 1128, 1252, 1272, 1878, 2491, 2504, 3756, 4982, 7473, 7512, 9964, 14711, 14946, 16589, 19928, 29422, 29892, 33178, 44133, 49767, 58844, 59784, 66356, 88266, 99534, 117688, 132712, 176532, 199068, 353064, 398136, 779683, 1559366, 2339049, 3118732, 4678098, 6237464, 9356196, 18712392]

約数ペア:

[(1, 18712392), (2, 9356196), (3, 6237464), (4, 4678098), (6, 3118732), (8, 2339049), (12, 1559366), (24, 779683), (47, 398136), (53, 353064), (94, 199068), (106, 176532), (141, 132712), (159, 117688), (188, 99534), (212, 88266), (282, 66356), (313, 59784), (318, 58844), (376, 49767), (424, 44133), (564, 33178), (626, 29892), (636, 29422), (939, 19928), (1128, 16589), (1252, 14946), (1272, 14711), (1878, 9964), (2491, 7512), (2504, 7473), (3756, 4982)]