19025965

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 26922240

約数和(自身を除く): 7896275

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 983, 2765, 3871, 4915, 6881, 19355, 34405, 48167, 77657, 240835, 388285, 543599, 2717995, 3805193, 19025965]

約数ペア:

[(1, 19025965), (5, 3805193), (7, 2717995), (35, 543599), (49, 388285), (79, 240835), (245, 77657), (395, 48167), (553, 34405), (983, 19355), (2765, 6881), (3871, 4915)]