18586659

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 30843904

約数和(自身を除く): 12257245

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 661, 721, 1339, 1983, 2163, 4017, 4627, 8593, 9373, 13881, 25779, 28119, 60151, 68083, 180453, 204249, 476581, 885079, 1429743, 2655237, 6195553, 18586659]

約数ペア:

[(1, 18586659), (3, 6195553), (7, 2655237), (13, 1429743), (21, 885079), (39, 476581), (91, 204249), (103, 180453), (273, 68083), (309, 60151), (661, 28119), (721, 25779), (1339, 13881), (1983, 9373), (2163, 8593), (4017, 4627)]