18090918

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 24210522

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 101, 107, 186, 202, 214, 279, 303, 321, 558, 606, 642, 837, 909, 963, 1674, 1818, 1926, 2727, 2889, 3131, 3317, 5454, 5778, 6262, 6634, 9393, 9951, 10807, 18786, 19902, 21614, 28179, 29853, 32421, 56358, 59706, 64842, 84537, 89559, 97263, 169074, 179118, 194526, 291789, 335017, 583578, 670034, 1005051, 2010102, 3015153, 6030306, 9045459, 18090918]

約数ペア:

[(1, 18090918), (2, 9045459), (3, 6030306), (6, 3015153), (9, 2010102), (18, 1005051), (27, 670034), (31, 583578), (54, 335017), (62, 291789), (93, 194526), (101, 179118), (107, 169074), (186, 97263), (202, 89559), (214, 84537), (279, 64842), (303, 59706), (321, 56358), (558, 32421), (606, 29853), (642, 28179), (837, 21614), (909, 19902), (963, 18786), (1674, 10807), (1818, 9951), (1926, 9393), (2727, 6634), (2889, 6262), (3131, 5778), (3317, 5454)]