19665458

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1597}}^1$

素因数の和:1777

約数の個数: 16

約数和(自身を含む): 30374784

約数和(自身を除く): 10709326

約数列:

[1, 2, 47, 94, 131, 262, 1597, 3194, 6157, 12314, 75059, 150118, 209207, 418414, 9832729, 19665458]

約数ペア:

[(1, 19665458), (2, 9832729), (47, 418414), (94, 209207), (131, 150118), (262, 75059), (1597, 12314), (3194, 6157)]