19724991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{45979}}^1$

素因数の和:46006

約数の個数: 16

約数和(自身を含む): 30898560

約数和(自身を除く): 11173569

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 45979, 137937, 505769, 597727, 1517307, 1793181, 6574997, 19724991]

約数ペア:

[(1, 19724991), (3, 6574997), (11, 1793181), (13, 1517307), (33, 597727), (39, 505769), (143, 137937), (429, 45979)]