19188814

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1789}}^1$

素因数の和:1995

約数の個数: 16

約数和(自身を含む): 29900160

約数和(自身を除く): 10711346

約数列:

[1, 2, 31, 62, 173, 346, 1789, 3578, 5363, 10726, 55459, 110918, 309497, 618994, 9594407, 19188814]

約数ペア:

[(1, 19188814), (2, 9594407), (31, 618994), (62, 309497), (173, 110918), (346, 55459), (1789, 10726), (3578, 5363)]