18321464

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6173}}^1$

素因数の和:6239

約数の個数: 32

約数和(自身を含む): 40007520

約数和(自身を除く): 21686056

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6173, 12346, 24692, 43211, 49384, 86422, 172844, 327169, 345688, 654338, 1308676, 2290183, 2617352, 4580366, 9160732, 18321464]

約数ペア:

[(1, 18321464), (2, 9160732), (4, 4580366), (7, 2617352), (8, 2290183), (14, 1308676), (28, 654338), (53, 345688), (56, 327169), (106, 172844), (212, 86422), (371, 49384), (424, 43211), (742, 24692), (1484, 12346), (2968, 6173)]