18858678

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 24479562

約数列:

[1, 2, 3, 6, 17, 19, 34, 37, 38, 51, 57, 74, 102, 111, 114, 222, 263, 323, 526, 629, 646, 703, 789, 969, 1258, 1406, 1578, 1887, 1938, 2109, 3774, 4218, 4471, 4997, 8942, 9731, 9994, 11951, 13413, 14991, 19462, 23902, 26826, 29193, 29982, 35853, 58386, 71706, 84949, 165427, 169898, 184889, 254847, 330854, 369778, 496281, 509694, 554667, 992562, 1109334, 3143113, 6286226, 9429339, 18858678]

約数ペア:

[(1, 18858678), (2, 9429339), (3, 6286226), (6, 3143113), (17, 1109334), (19, 992562), (34, 554667), (37, 509694), (38, 496281), (51, 369778), (57, 330854), (74, 254847), (102, 184889), (111, 169898), (114, 165427), (222, 84949), (263, 71706), (323, 58386), (526, 35853), (629, 29982), (646, 29193), (703, 26826), (789, 23902), (969, 19462), (1258, 14991), (1406, 13413), (1578, 11951), (1887, 9994), (1938, 9731), (2109, 8942), (3774, 4997), (4218, 4471)]