18443788

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{719}}^1$

素因数の和:798

約数の個数: 36

約数和(自身を含む): 36197280

約数和(自身を除く): 17753492

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 121, 212, 242, 484, 583, 719, 1166, 1438, 2332, 2876, 6413, 7909, 12826, 15818, 25652, 31636, 38107, 76214, 86999, 152428, 173998, 347996, 419177, 838354, 1676708, 4610947, 9221894, 18443788]

約数ペア:

[(1, 18443788), (2, 9221894), (4, 4610947), (11, 1676708), (22, 838354), (44, 419177), (53, 347996), (106, 173998), (121, 152428), (212, 86999), (242, 76214), (484, 38107), (583, 31636), (719, 25652), (1166, 15818), (1438, 12826), (2332, 7909), (2876, 6413)]