15940784

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{26927}}^1$

素因数の和:26972

約数の個数: 20

約数和(自身を含む): 31721184

約数和(自身を除く): 15780400

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 26927, 53854, 107708, 215416, 430832, 996299, 1992598, 3985196, 7970392, 15940784]

約数ペア:

[(1, 15940784), (2, 7970392), (4, 3985196), (8, 1992598), (16, 996299), (37, 430832), (74, 215416), (148, 107708), (296, 53854), (592, 26927)]