19534921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 23829120

約数和(自身を除く): 4294199

約数列:

[1, 7, 17, 119, 139, 973, 1181, 2363, 8267, 16541, 20077, 140539, 164159, 1149113, 2790703, 19534921]

約数ペア:

[(1, 19534921), (7, 2790703), (17, 1149113), (119, 164159), (139, 140539), (973, 20077), (1181, 16541), (2363, 8267)]