18659463

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 28047360

約数和(自身を除く): 9387897

約数列:

[1, 3, 19, 23, 43, 57, 69, 129, 331, 437, 817, 989, 993, 1311, 2451, 2967, 6289, 7613, 14233, 18791, 18867, 22839, 42699, 56373, 144647, 270427, 327359, 433941, 811281, 982077, 6219821, 18659463]

約数ペア:

[(1, 18659463), (3, 6219821), (19, 982077), (23, 811281), (43, 433941), (57, 327359), (69, 270427), (129, 144647), (331, 56373), (437, 42699), (817, 22839), (989, 18867), (993, 18791), (1311, 14233), (2451, 7613), (2967, 6289)]