18992145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13667055

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1049, 1065, 1207, 3147, 3621, 5245, 6035, 15735, 17833, 18105, 53499, 74479, 89165, 223437, 267495, 372395, 1117185, 1266143, 3798429, 6330715, 18992145]

約数ペア:

[(1, 18992145), (3, 6330715), (5, 3798429), (15, 1266143), (17, 1117185), (51, 372395), (71, 267495), (85, 223437), (213, 89165), (255, 74479), (355, 53499), (1049, 18105), (1065, 17833), (1207, 15735), (3147, 6035), (3621, 5245)]