19515253268

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4173493}}^1$

素因数の和:4173671

約数の個数: 24

約数和(自身を含む): 39264231552

約数和(自身を除く): 19748978284

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4676, 4173493, 8346986, 16693972, 29214451, 58428902, 116857804, 696973331, 1393946662, 2787893324, 4878813317, 9757626634, 19515253268]

約数ペア:

[(1, 19515253268), (2, 9757626634), (4, 4878813317), (7, 2787893324), (14, 1393946662), (28, 696973331), (167, 116857804), (334, 58428902), (668, 29214451), (1169, 16693972), (2338, 8346986), (4676, 4173493)]