15880912

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{16823}}^1$

素因数の和:16890

約数の個数: 20

約数和(自身を含む): 31292640

約数和(自身を除く): 15411728

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 16823, 33646, 67292, 134584, 269168, 992557, 1985114, 3970228, 7940456, 15880912]

約数ペア:

[(1, 15880912), (2, 7940456), (4, 3970228), (8, 1985114), (16, 992557), (59, 269168), (118, 134584), (236, 67292), (472, 33646), (944, 16823)]