18805761

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2399}}^1$

素因数の和:2485

約数の個数: 24

約数和(自身を含む): 29702400

約数和(自身を除く): 10896639

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2399, 2613, 7197, 7839, 21591, 31187, 93561, 160733, 280683, 482199, 1446597, 2089529, 6268587, 18805761]

約数ペア:

[(1, 18805761), (3, 6268587), (9, 2089529), (13, 1446597), (39, 482199), (67, 280683), (117, 160733), (201, 93561), (603, 31187), (871, 21591), (2399, 7839), (2613, 7197)]