18259470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8821}}^1$

素因数の和:8857

約数の個数: 48

約数和(自身を含む): 49544352

約数和(自身を除く): 31284882

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 8821, 17642, 26463, 44105, 52926, 79389, 88210, 132315, 158778, 202883, 264630, 396945, 405766, 608649, 793890, 1014415, 1217298, 1825947, 2028830, 3043245, 3651894, 6086490, 9129735, 18259470]

約数ペア:

[(1, 18259470), (2, 9129735), (3, 6086490), (5, 3651894), (6, 3043245), (9, 2028830), (10, 1825947), (15, 1217298), (18, 1014415), (23, 793890), (30, 608649), (45, 405766), (46, 396945), (69, 264630), (90, 202883), (115, 158778), (138, 132315), (207, 88210), (230, 79389), (345, 52926), (414, 44105), (690, 26463), (1035, 17642), (2070, 8821)]