19980459812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11430469}}^1$

素因数の和:11430515

約数の個数: 24

約数和(自身を含む): 38406379200

約数和(自身を除く): 18425919388

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 11430469, 22860938, 45721876, 217178911, 262900787, 434357822, 525801574, 868715644, 1051603148, 4995114953, 9990229906, 19980459812]

約数ペア:

[(1, 19980459812), (2, 9990229906), (4, 4995114953), (19, 1051603148), (23, 868715644), (38, 525801574), (46, 434357822), (76, 262900787), (92, 217178911), (437, 45721876), (874, 22860938), (1748, 11430469)]