19137365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 26078976

約数和(自身を除く): 6941611

約数列:

[1, 5, 13, 41, 43, 65, 167, 205, 215, 533, 559, 835, 1763, 2171, 2665, 2795, 6847, 7181, 8815, 10855, 22919, 34235, 35905, 89011, 93353, 114595, 294421, 445055, 466765, 1472105, 3827473, 19137365]

約数ペア:

[(1, 19137365), (5, 3827473), (13, 1472105), (41, 466765), (43, 445055), (65, 294421), (167, 114595), (205, 93353), (215, 89011), (533, 35905), (559, 34235), (835, 22919), (1763, 10855), (2171, 8815), (2665, 7181), (2795, 6847)]