1820104

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 64

約数和(自身を含む): 4213440

約数和(自身を除く): 2393336

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 43, 44, 52, 74, 86, 88, 104, 143, 148, 172, 286, 296, 344, 407, 473, 481, 559, 572, 814, 946, 962, 1118, 1144, 1591, 1628, 1892, 1924, 2236, 3182, 3256, 3784, 3848, 4472, 5291, 6149, 6364, 10582, 12298, 12728, 17501, 20683, 21164, 24596, 35002, 41366, 42328, 49192, 70004, 82732, 140008, 165464, 227513, 455026, 910052, 1820104]

約数ペア:

[(1, 1820104), (2, 910052), (4, 455026), (8, 227513), (11, 165464), (13, 140008), (22, 82732), (26, 70004), (37, 49192), (43, 42328), (44, 41366), (52, 35002), (74, 24596), (86, 21164), (88, 20683), (104, 17501), (143, 12728), (148, 12298), (172, 10582), (286, 6364), (296, 6149), (344, 5291), (407, 4472), (473, 3848), (481, 3784), (559, 3256), (572, 3182), (814, 2236), (946, 1924), (962, 1892), (1118, 1628), (1144, 1591)]