19405659

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2293}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 32886784

約数和(自身を除く): 13481125

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2293, 2821, 6879, 8463, 16051, 29809, 48153, 71083, 89427, 208663, 213249, 497581, 625989, 924079, 1492743, 2772237, 6468553, 19405659]

約数ペア:

[(1, 19405659), (3, 6468553), (7, 2772237), (13, 1492743), (21, 924079), (31, 625989), (39, 497581), (91, 213249), (93, 208663), (217, 89427), (273, 71083), (403, 48153), (651, 29809), (1209, 16051), (2293, 8463), (2821, 6879)]