19549424

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17209}}^1$

素因数の和:17288

約数の個数: 20

約数和(自身を含む): 38412720

約数和(自身を除く): 18863296

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17209, 34418, 68836, 137672, 275344, 1221839, 2443678, 4887356, 9774712, 19549424]

約数ペア:

[(1, 19549424), (2, 9774712), (4, 4887356), (8, 2443678), (16, 1221839), (71, 275344), (142, 137672), (284, 68836), (568, 34418), (1136, 17209)]