19815917

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1607}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 23155200

約数和(自身を除く): 3339283

約数列:

[1, 11, 19, 59, 209, 649, 1121, 1607, 12331, 17677, 30533, 94813, 335863, 1042943, 1801447, 19815917]

約数ペア:

[(1, 19815917), (11, 1801447), (19, 1042943), (59, 335863), (209, 94813), (649, 30533), (1121, 17677), (1607, 12331)]