18887646

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 42674688

約数和(自身を除く): 23787042

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 83, 97, 102, 138, 166, 194, 249, 291, 391, 498, 582, 782, 1173, 1411, 1649, 1909, 2231, 2346, 2822, 3298, 3818, 4233, 4462, 4947, 5727, 6693, 8051, 8466, 9894, 11454, 13386, 16102, 24153, 32453, 37927, 48306, 64906, 75854, 97359, 113781, 136867, 185173, 194718, 227562, 273734, 370346, 410601, 555519, 821202, 1111038, 3147941, 6295882, 9443823, 18887646]

約数ペア:

[(1, 18887646), (2, 9443823), (3, 6295882), (6, 3147941), (17, 1111038), (23, 821202), (34, 555519), (46, 410601), (51, 370346), (69, 273734), (83, 227562), (97, 194718), (102, 185173), (138, 136867), (166, 113781), (194, 97359), (249, 75854), (291, 64906), (391, 48306), (498, 37927), (582, 32453), (782, 24153), (1173, 16102), (1411, 13386), (1649, 11454), (1909, 9894), (2231, 8466), (2346, 8051), (2822, 6693), (3298, 5727), (3818, 4947), (4233, 4462)]