18983601

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1783}}^1$

素因数の和:1822

約数の個数: 36

約数和(自身を含む): 33953088

約数和(自身を除く): 14969487

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 1783, 3549, 5349, 10647, 12481, 16047, 23179, 37443, 69537, 112329, 162253, 208611, 301327, 486759, 903981, 1460277, 2109289, 2711943, 6327867, 18983601]

約数ペア:

[(1, 18983601), (3, 6327867), (7, 2711943), (9, 2109289), (13, 1460277), (21, 903981), (39, 486759), (63, 301327), (91, 208611), (117, 162253), (169, 112329), (273, 69537), (507, 37443), (819, 23179), (1183, 16047), (1521, 12481), (1783, 10647), (3549, 5349)]