18041738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 32054400

約数和(自身を除く): 14012662

約数列:

[1, 2, 11, 13, 22, 26, 143, 199, 286, 317, 398, 634, 2189, 2587, 3487, 4121, 4378, 5174, 6974, 8242, 28457, 45331, 56914, 63083, 90662, 126166, 693913, 820079, 1387826, 1640158, 9020869, 18041738]

約数ペア:

[(1, 18041738), (2, 9020869), (11, 1640158), (13, 1387826), (22, 820079), (26, 693913), (143, 126166), (199, 90662), (286, 63083), (317, 56914), (398, 45331), (634, 28457), (2189, 8242), (2587, 6974), (3487, 5174), (4121, 4378)]