18898528

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1013}}^1$

素因数の和:1087

約数の個数: 48

約数和(自身を含む): 41395536

約数和(自身を除く): 22497008

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 88, 106, 176, 212, 352, 424, 583, 848, 1013, 1166, 1696, 2026, 2332, 4052, 4664, 8104, 9328, 11143, 16208, 18656, 22286, 32416, 44572, 53689, 89144, 107378, 178288, 214756, 356576, 429512, 590579, 859024, 1181158, 1718048, 2362316, 4724632, 9449264, 18898528]

約数ペア:

[(1, 18898528), (2, 9449264), (4, 4724632), (8, 2362316), (11, 1718048), (16, 1181158), (22, 859024), (32, 590579), (44, 429512), (53, 356576), (88, 214756), (106, 178288), (176, 107378), (212, 89144), (352, 53689), (424, 44572), (583, 32416), (848, 22286), (1013, 18656), (1166, 16208), (1696, 11143), (2026, 9328), (2332, 8104), (4052, 4664)]