18181306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 32328576

約数和(自身を除く): 14147270

約数列:

[1, 2, 11, 13, 22, 26, 143, 151, 286, 302, 421, 842, 1661, 1963, 3322, 3926, 4631, 5473, 9262, 10946, 21593, 43186, 60203, 63571, 120406, 127142, 699281, 826423, 1398562, 1652846, 9090653, 18181306]

約数ペア:

[(1, 18181306), (2, 9090653), (11, 1652846), (13, 1398562), (22, 826423), (26, 699281), (143, 127142), (151, 120406), (286, 63571), (302, 60203), (421, 43186), (842, 21593), (1661, 10946), (1963, 9262), (3322, 5473), (3926, 4631)]