18961882

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7603}}^1$

素因数の和:7677

約数の個数: 16

約数和(自身を含む): 30111840

約数和(自身を除く): 11149958

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 7603, 15206, 220487, 326929, 440974, 653858, 9480941, 18961882]

約数ペア:

[(1, 18961882), (2, 9480941), (29, 653858), (43, 440974), (58, 326929), (86, 220487), (1247, 15206), (2494, 7603)]