12720766

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{601}}^1$

素因数の和:1179

約数の個数: 16

約数和(自身を含む): 20154960

約数和(自身を除く): 7434194

約数列:

[1, 2, 19, 38, 557, 601, 1114, 1202, 10583, 11419, 21166, 22838, 334757, 669514, 6360383, 12720766]

約数ペア:

[(1, 12720766), (2, 6360383), (19, 669514), (38, 334757), (557, 22838), (601, 21166), (1114, 11419), (1202, 10583)]