19672978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 34401024

約数和(自身を除く): 14728046

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 799, 947, 1222, 1598, 1894, 10387, 12311, 16099, 20774, 24622, 32198, 44509, 89018, 209287, 418574, 578617, 756653, 1157234, 1513306, 9836489, 19672978]

約数ペア:

[(1, 19672978), (2, 9836489), (13, 1513306), (17, 1157234), (26, 756653), (34, 578617), (47, 418574), (94, 209287), (221, 89018), (442, 44509), (611, 32198), (799, 24622), (947, 20774), (1222, 16099), (1598, 12311), (1894, 10387)]