19980438

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{175267}}^1$

素因数の和:175291

約数の個数: 16

約数和(自身を含む): 42064320

約数和(自身を除く): 22083882

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 175267, 350534, 525801, 1051602, 3330073, 6660146, 9990219, 19980438]

約数ペア:

[(1, 19980438), (2, 9990219), (3, 6660146), (6, 3330073), (19, 1051602), (38, 525801), (57, 350534), (114, 175267)]