18998486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 33149088

約数和(自身を除く): 14150602

約数列:

[1, 2, 13, 17, 26, 34, 53, 106, 221, 442, 689, 811, 901, 1378, 1622, 1802, 10543, 11713, 13787, 21086, 23426, 27574, 42983, 85966, 179231, 358462, 558779, 730711, 1117558, 1461422, 9499243, 18998486]

約数ペア:

[(1, 18998486), (2, 9499243), (13, 1461422), (17, 1117558), (26, 730711), (34, 558779), (53, 358462), (106, 179231), (221, 85966), (442, 42983), (689, 27574), (811, 23426), (901, 21086), (1378, 13787), (1622, 11713), (1802, 10543)]