18274828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 38497536

約数和(自身を除く): 20222708

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 743, 946, 1118, 1486, 1892, 2236, 2972, 6149, 8173, 9659, 12298, 16346, 19318, 24596, 31949, 32692, 38636, 63898, 106249, 127796, 212498, 351439, 415337, 424996, 702878, 830674, 1405756, 1661348, 4568707, 9137414, 18274828]

約数ペア:

[(1, 18274828), (2, 9137414), (4, 4568707), (11, 1661348), (13, 1405756), (22, 830674), (26, 702878), (43, 424996), (44, 415337), (52, 351439), (86, 212498), (143, 127796), (172, 106249), (286, 63898), (473, 38636), (559, 32692), (572, 31949), (743, 24596), (946, 19318), (1118, 16346), (1486, 12298), (1892, 9659), (2236, 8173), (2972, 6149)]