19944904

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11489}}^1$

素因数の和:11533

約数の個数: 32

約数和(自身を含む): 44121600

約数和(自身を除く): 24176696

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11489, 22978, 45956, 80423, 91912, 160846, 321692, 356159, 643384, 712318, 1424636, 2493113, 2849272, 4986226, 9972452, 19944904]

約数ペア:

[(1, 19944904), (2, 9972452), (4, 4986226), (7, 2849272), (8, 2493113), (14, 1424636), (28, 712318), (31, 643384), (56, 356159), (62, 321692), (124, 160846), (217, 91912), (248, 80423), (434, 45956), (868, 22978), (1736, 11489)]