19640764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34337}}^1$

素因数の和:34365

約数の個数: 24

約数和(自身を含む): 40381488

約数和(自身を除く): 20740724

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 34337, 68674, 137348, 377707, 446381, 755414, 892762, 1510828, 1785524, 4910191, 9820382, 19640764]

約数ペア:

[(1, 19640764), (2, 9820382), (4, 4910191), (11, 1785524), (13, 1510828), (22, 892762), (26, 755414), (44, 446381), (52, 377707), (143, 137348), (286, 68674), (572, 34337)]