18867835

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{641}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 26840736

約数和(自身を除く): 7972901

約数列:

[1, 5, 7, 29, 35, 145, 203, 641, 841, 1015, 3205, 4205, 4487, 5887, 18589, 22435, 29435, 92945, 130123, 539081, 650615, 2695405, 3773567, 18867835]

約数ペア:

[(1, 18867835), (5, 3773567), (7, 2695405), (29, 650615), (35, 539081), (145, 130123), (203, 92945), (641, 29435), (841, 22435), (1015, 18589), (3205, 5887), (4205, 4487)]