19400173

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 21890736

約数和(自身を除く): 2490563

約数列:

[1, 13, 37, 53, 481, 689, 761, 1961, 9893, 25493, 28157, 40333, 366041, 524329, 1492321, 19400173]

約数ペア:

[(1, 19400173), (13, 1492321), (37, 524329), (53, 366041), (481, 40333), (689, 28157), (761, 25493), (1961, 9893)]