2019947515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{247391}}^1$

素因数の和:247490

約数の個数: 16

約数和(自身を含む): 2564960256

約数和(自身を除く): 545012741

約数列:

[1, 5, 23, 71, 115, 355, 1633, 8165, 247391, 1236955, 5689993, 17564761, 28449965, 87823805, 403989503, 2019947515]

約数ペア:

[(1, 2019947515), (5, 403989503), (23, 87823805), (71, 28449965), (115, 17564761), (355, 5689993), (1633, 1236955), (8165, 247391)]