19988886

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{144847}}^1$

素因数の和:144875

約数の個数: 16

約数和(自身を含む): 41716224

約数和(自身を除く): 21727338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 144847, 289694, 434541, 869082, 3331481, 6662962, 9994443, 19988886]

約数ペア:

[(1, 19988886), (2, 9994443), (3, 6662962), (6, 3331481), (23, 869082), (46, 434541), (69, 289694), (138, 144847)]