16855878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7020

約数の個数: 32

約数和(自身を含む): 37481472

約数和(自身を除く): 20625594

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 6971, 13942, 20913, 41826, 90623, 181246, 216101, 271869, 432202, 543738, 648303, 1296606, 2809313, 5618626, 8427939, 16855878]

約数ペア:

[(1, 16855878), (2, 8427939), (3, 5618626), (6, 2809313), (13, 1296606), (26, 648303), (31, 543738), (39, 432202), (62, 271869), (78, 216101), (93, 181246), (186, 90623), (403, 41826), (806, 20913), (1209, 13942), (2418, 6971)]