19713590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151643}}^1$

素因数の和:151663

約数の個数: 16

約数和(自身を含む): 38214288

約数和(自身を除く): 18500698

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151643, 303286, 758215, 1516430, 1971359, 3942718, 9856795, 19713590]

約数ペア:

[(1, 19713590), (2, 9856795), (5, 3942718), (10, 1971359), (13, 1516430), (26, 758215), (65, 303286), (130, 151643)]