19660605

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21487}}^1$

素因数の和:21556

約数の個数: 16

約数和(自身を含む): 31974144

約数和(自身を除く): 12313539

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 21487, 64461, 107435, 322305, 1310707, 3932121, 6553535, 19660605]

約数ペア:

[(1, 19660605), (3, 6553535), (5, 3932121), (15, 1310707), (61, 322305), (183, 107435), (305, 64461), (915, 21487)]