19927193

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 23537472

約数和(自身を除く): 3610279

約数列:

[1, 11, 13, 143, 331, 421, 3641, 4303, 4631, 5473, 47333, 60203, 139351, 1532861, 1811563, 19927193]

約数ペア:

[(1, 19927193), (11, 1811563), (13, 1532861), (143, 139351), (331, 60203), (421, 47333), (3641, 5473), (4303, 4631)]