19074517

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 25141248

約数和(自身を除く): 6066731

約数列:

[1, 7, 11, 31, 61, 77, 131, 217, 341, 427, 671, 917, 1441, 1891, 2387, 4061, 4697, 7991, 10087, 13237, 20801, 28427, 44671, 55937, 87901, 145607, 247721, 312697, 615307, 1734047, 2724931, 19074517]

約数ペア:

[(1, 19074517), (7, 2724931), (11, 1734047), (31, 615307), (61, 312697), (77, 247721), (131, 145607), (217, 87901), (341, 55937), (427, 44671), (671, 28427), (917, 20801), (1441, 13237), (1891, 10087), (2387, 7991), (4061, 4697)]