19711939

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1278

約数の個数: 16

約数和(自身を含む): 22466304

約数和(自身を除く): 2754365

約数列:

[1, 13, 31, 41, 403, 533, 1193, 1271, 15509, 16523, 36983, 48913, 480779, 635869, 1516303, 19711939]

約数ペア:

[(1, 19711939), (13, 1516303), (31, 635869), (41, 480779), (403, 48913), (533, 36983), (1193, 16523), (1271, 15509)]