18363950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 37671696

約数和(自身を除く): 19307746

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 173, 193, 275, 346, 386, 550, 865, 965, 1730, 1903, 1930, 2123, 3806, 4246, 4325, 4825, 8650, 9515, 9650, 10615, 19030, 21230, 33389, 47575, 53075, 66778, 95150, 106150, 166945, 333890, 367279, 734558, 834725, 1669450, 1836395, 3672790, 9181975, 18363950]

約数ペア:

[(1, 18363950), (2, 9181975), (5, 3672790), (10, 1836395), (11, 1669450), (22, 834725), (25, 734558), (50, 367279), (55, 333890), (110, 166945), (173, 106150), (193, 95150), (275, 66778), (346, 53075), (386, 47575), (550, 33389), (865, 21230), (965, 19030), (1730, 10615), (1903, 9650), (1930, 9515), (2123, 8650), (3806, 4825), (4246, 4325)]