19720430353

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{9733}}^1$

素因数の和:10409

約数の個数: 24

約数和(自身を含む): 22515910080

約数和(自身を除く): 2795479727

約数列:

[1, 13, 19, 169, 247, 631, 3211, 8203, 9733, 11989, 106639, 126529, 155857, 184927, 1644877, 2026141, 2404051, 6141523, 31252663, 79839799, 116688937, 1037917387, 1516956181, 19720430353]

約数ペア:

[(1, 19720430353), (13, 1516956181), (19, 1037917387), (169, 116688937), (247, 79839799), (631, 31252663), (3211, 6141523), (8203, 2404051), (9733, 2026141), (11989, 1644877), (106639, 184927), (126529, 155857)]