18993406

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{673}}^1$

素因数の和:915

約数の個数: 16

約数和(自身を含む): 29019744

約数和(自身を除く): 10026338

約数列:

[1, 2, 103, 137, 206, 274, 673, 1346, 14111, 28222, 69319, 92201, 138638, 184402, 9496703, 18993406]

約数ペア:

[(1, 18993406), (2, 9496703), (103, 184402), (137, 138638), (206, 92201), (274, 69319), (673, 28222), (1346, 14111)]