1878318

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 4586400

約数和(自身を除く): 2708082

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 349, 414, 598, 698, 897, 1047, 1794, 2094, 2691, 3141, 4537, 5382, 6282, 8027, 9074, 13611, 16054, 24081, 27222, 40833, 48162, 72243, 81666, 104351, 144486, 208702, 313053, 626106, 939159, 1878318]

約数ペア:

[(1, 1878318), (2, 939159), (3, 626106), (6, 313053), (9, 208702), (13, 144486), (18, 104351), (23, 81666), (26, 72243), (39, 48162), (46, 40833), (69, 27222), (78, 24081), (117, 16054), (138, 13611), (207, 9074), (234, 8027), (299, 6282), (349, 5382), (414, 4537), (598, 3141), (698, 2691), (897, 2094), (1047, 1794)]