19662773

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 22127616

約数和(自身を除く): 2464843

約数列:

[1, 13, 31, 97, 403, 503, 1261, 3007, 6539, 15593, 39091, 48791, 202709, 634283, 1512521, 19662773]

約数ペア:

[(1, 19662773), (13, 1512521), (31, 634283), (97, 202709), (403, 48791), (503, 39091), (1261, 15593), (3007, 6539)]