18683613

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 31135104

約数和(自身を除く): 12451491

約数列:

[1, 3, 9, 13, 23, 39, 53, 69, 117, 131, 159, 207, 299, 393, 477, 689, 897, 1179, 1219, 1703, 2067, 2691, 3013, 3657, 5109, 6201, 6943, 9039, 10971, 15327, 15847, 20829, 27117, 39169, 47541, 62487, 90259, 117507, 142623, 159689, 270777, 352521, 479067, 812331, 1437201, 2075957, 6227871, 18683613]

約数ペア:

[(1, 18683613), (3, 6227871), (9, 2075957), (13, 1437201), (23, 812331), (39, 479067), (53, 352521), (69, 270777), (117, 159689), (131, 142623), (159, 117507), (207, 90259), (299, 62487), (393, 47541), (477, 39169), (689, 27117), (897, 20829), (1179, 15847), (1219, 15327), (1703, 10971), (2067, 9039), (2691, 6943), (3013, 6201), (3657, 5109)]