18832780

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5443}}^1$

素因数の和:5625

約数の個数: 24

約数和(自身を含む): 39784752

約数和(自身を除く): 20951972

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5443, 10886, 21772, 27215, 54430, 108860, 941639, 1883278, 3766556, 4708195, 9416390, 18832780]

約数ペア:

[(1, 18832780), (2, 9416390), (4, 4708195), (5, 3766556), (10, 1883278), (20, 941639), (173, 108860), (346, 54430), (692, 27215), (865, 21772), (1730, 10886), (3460, 5443)]