19984822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69877}}^1$

素因数の和:69903

約数の個数: 16

約数和(自身を含む): 35218512

約数和(自身を除く): 15233690

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 69877, 139754, 768647, 908401, 1537294, 1816802, 9992411, 19984822]

約数ペア:

[(1, 19984822), (2, 9992411), (11, 1816802), (13, 1537294), (22, 908401), (26, 768647), (143, 139754), (286, 69877)]